Porous Rock

Sea Lions Rest on Volcanic Rocks in Cartagena in beside a volcanic drop-off near Getsemani, Cartagena

Sea Lions Rest on Volcanic Rocks in Cartagena

Olympus OM-D E-M5 Mark II · beside a volcanic drop-off near Getsemani, Cartagena

 Rainbow Light Shaft Over Volcanic Reef Cebu in beside a volcanic reef overhang near Cebu

Rainbow Light Shaft Over Volcanic Reef Cebu

Olympus OM-2 · beside a volcanic reef overhang near Cebu

 Reef Shark Patrols Volcanic Coral Wall Cebu in beside a volcanic reef overhang near Cebu

Reef Shark Patrols Volcanic Coral Wall Cebu

Sony a7 II · beside a volcanic reef overhang near Cebu

 Steaming Fumaroles on Volcanic Shoreline Plateau in along a wave-cut shoreline in Uttarakhand

Steaming Fumaroles on Volcanic Shoreline Plateau

Canon EOS R · along a wave-cut shoreline in Uttarakhand

 Silent Volcanic Plateau at Night Near Quito in near Quito

Silent Volcanic Plateau at Night Near Quito

Fujifilm X-S10 · near Quito

 Nautilus Drifting Past Volcanic Reef Zanzibar in beside a volcanic reef overhang near Zanzibar

Nautilus Drifting Past Volcanic Reef Zanzibar

iPhone SE (2022) · beside a volcanic reef overhang near Zanzibar

 Cappadocia Archive Facade Winter Light in outside a wind-scoured fortress wall in Cappadocia

Cappadocia Archive Facade Winter Light

Nikon D70 · outside a wind-scoured fortress wall in Cappadocia

 Stone-Transforming Drizzle Over Bata Streets in near Bata

Stone-Transforming Drizzle Over Bata Streets

iPhone 12 Pro · near Bata

 Parrotfish Grazing on Volcanic Reef Belize in beside a volcanic reef overhang near Belize City

Parrotfish Grazing on Volcanic Reef Belize

Samsung Galaxy S22 Ultra · beside a volcanic reef overhang near Belize City

 Frozen Lightning Over Submerged Sinkhole Reef in along a coral wall with blue water beyond near Denpasar

Frozen Lightning Over Submerged Sinkhole Reef

Panasonic Lumix DMC-G1 · along a coral wall with blue water beyond near Denpasar

 Dawn Light Over Lava Ridge Canyon Floor Near Kathmandu in near Kathmandu

Dawn Light Over Lava Ridge Canyon Floor Near Kathmandu

Sony a6300 · near Kathmandu

 Hawksbill Turtle Feeding on Volcanic Reef Cebu in beside a volcanic reef overhang near Cebu

Hawksbill Turtle Feeding on Volcanic Reef Cebu

Olympus OM-2 · beside a volcanic reef overhang near Cebu

 Feather Star Crinoid on Volcanic Reef Ledge in beside a volcanic reef overhang near Denpasar

Feather Star Crinoid on Volcanic Reef Ledge

Sony a7CR · beside a volcanic reef overhang near Denpasar

 Cuttlefish at Dawn Over Belize Volcanic Reef in beside a volcanic reef overhang near Belize City

Cuttlefish at Dawn Over Belize Volcanic Reef

Pentax 6x7 · beside a volcanic reef overhang near Belize City

 Neon Mantis Shrimp on Volcanic Reef Ledge in beside a volcanic reef overhang near Denpasar

Neon Mantis Shrimp on Volcanic Reef Ledge

Leica M9 · beside a volcanic reef overhang near Denpasar

 Lionfish Under Volcanic Reef Stone Furniture in beside a volcanic reef overhang near Zanzibar

Lionfish Under Volcanic Reef Stone Furniture

Ricoh GR III · beside a volcanic reef overhang near Zanzibar

 Nurse Shark Resting in Reef Shadow Belize in beside a volcanic reef overhang near Belize City

Nurse Shark Resting in Reef Shadow Belize

Contax II · beside a volcanic reef overhang near Belize City

 Rainbow Shafts on Volcanic Reef Near Stone Town in beside a volcanic reef overhang near Stone Town

Rainbow Shafts on Volcanic Reef Near Stone Town

Kiev 5 rangefinder · beside a volcanic reef overhang near Stone Town

 Steel Blue Evening Light Over Desert Lake Tufa Tower in near Amman

Steel Blue Evening Light Over Desert Lake Tufa Tower

Leica M5 · near Amman

 Helicopter Over Black Lava Field Ecuador in in Ecuador

Helicopter Over Black Lava Field Ecuador

Pentax K-7 · in Ecuador

 Wrasses Cleaning Coral Bommie in Evening Light in along a coral wall with blue water beyond near Denpasar

Wrasses Cleaning Coral Bommie in Evening Light

iPhone 15 Pro · along a coral wall with blue water beyond near Denpasar

 Lava Flow Meets Ocean Ecuador Coast in along a wave-cut shoreline in Ecuador

Lava Flow Meets Ocean Ecuador Coast

Pentax MX · along a wave-cut shoreline in Ecuador

 Lionfish Drifting Over Volcanic Reef Ledge Bali in beside a volcanic reef overhang near Denpasar

Lionfish Drifting Over Volcanic Reef Ledge Bali

Sony NEX-7 · beside a volcanic reef overhang near Denpasar

 Basalt Columns Sunset Chinatown Vancouver Coast in along a wave-cut shoreline near Chinatown, Vancouver

Basalt Columns Sunset Chinatown Vancouver Coast

Google Pixel 6 · along a wave-cut shoreline near Chinatown, Vancouver

 Silhouetted Cuttlefish in Cobalt Reef Haze in beside a volcanic reef overhang near Cebu

Silhouetted Cuttlefish in Cobalt Reef Haze

Canon EOS R1 · beside a volcanic reef overhang near Cebu

 Smoldering Slag Heap on Library Table in on a dusty library table in Basel

Smoldering Slag Heap on Library Table

Canon EOS RP · on a dusty library table in Basel

 Moray Eel Through Volcanic Arch in Cobalt Light in along a coral wall with blue water beyond near Cebu

Moray Eel Through Volcanic Arch in Cobalt Light

Sony a99 II · along a coral wall with blue water beyond near Cebu

 Cappadocian Cave House in Nevşehir Lobby in inside a ribbed concrete lobby in Nevşehir

Cappadocian Cave House in Nevşehir Lobby

Fujifilm GFX100S · inside a ribbed concrete lobby in Nevşehir

 Red Flame Scallop in Misty Reef Crevice in beside a volcanic reef overhang near Denpasar

Red Flame Scallop in Misty Reef Crevice

Panasonic Lumix DC-GH5 · beside a volcanic reef overhang near Denpasar

 Giant Cuttlefish Colors Reef Crevice Dawn in beside a reef crevice under clear water near Denpasar

Giant Cuttlefish Colors Reef Crevice Dawn

Hasselblad X2D 100C · beside a reef crevice under clear water near Denpasar

 Coral Diver in Sunlight Over Cebu Reef in beside a volcanic reef overhang near Cebu

Coral Diver in Sunlight Over Cebu Reef

Nikon D5 · beside a volcanic reef overhang near Cebu

 Neon Mantis Shrimp on Belize Reef Ledge at Dawn in beneath a reef ledge in tropical shallows near Belize City

Neon Mantis Shrimp on Belize Reef Ledge at Dawn

Nikon Z 7 II · beneath a reef ledge in tropical shallows near Belize City

 Aerial View of Tropical Coral Reef Underwater in beneath a reef ledge in tropical shallows near Zanzibar

Aerial View of Tropical Coral Reef Underwater

OM System OM-5 · beneath a reef ledge in tropical shallows near Zanzibar

 Vendor Arranging Shells Under Zanzibar Reef in beneath a reef ledge in tropical shallows near Zanzibar

Vendor Arranging Shells Under Zanzibar Reef

Olympus OM-4 · beneath a reef ledge in tropical shallows near Zanzibar

 Coral Reef Surveyor at Belize Volcanic Overhang in beside a volcanic reef overhang near Belize City

Coral Reef Surveyor at Belize Volcanic Overhang

iPhone 15 Plus · beside a volcanic reef overhang near Belize City

 Zanzibar Volcanic Reef Late Afternoon Caustics in beside a volcanic reef overhang near Zanzibar

Zanzibar Volcanic Reef Late Afternoon Caustics

Nikon F4 · beside a volcanic reef overhang near Zanzibar

 First Light on Turquoise Plunge Waterfall Near Quito in near Quito

First Light on Turquoise Plunge Waterfall Near Quito

Fujifilm X-H2S · near Quito

 Winter Fireflies Over Cappadocia Rice Fields in from a frost-hushed ridgeline in Cappadocia

Winter Fireflies Over Cappadocia Rice Fields

Nikon F · from a frost-hushed ridgeline in Cappadocia

 Austrian Lava Ridge Heath Under Golden Hour Sky in from a ridge above layered foothills in Austria

Austrian Lava Ridge Heath Under Golden Hour Sky

Samsung Galaxy S24 Ultra · from a ridge above layered foothills in Austria

 Tufa Tower Dawn Light Doha Desert Shore in along a wave-cut shoreline near Doha

Tufa Tower Dawn Light Doha Desert Shore

Voigtlander Bessa R · along a wave-cut shoreline near Doha

 Volcanic Rock Study Obsidian to Pumice in near Tbilisi

Volcanic Rock Study Obsidian to Pumice

Olympus Trip 35 · near Tbilisi

 Geologist Hammering Basalt on Jeddah Coast in on a wind-scoured research platform in Jeddah

Geologist Hammering Basalt on Jeddah Coast

Nikon D6 · on a wind-scoured research platform in Jeddah

 Broadclub Cuttlefish Over Coral Garden at Twilight in beside a volcanic reef overhang near Cebu

Broadclub Cuttlefish Over Coral Garden at Twilight

iPhone 14 Pro Max · beside a volcanic reef overhang near Cebu

 Frogfish Camouflaged on Sponge Belize Twilight in beside a volcanic reef overhang near Belize City

Frogfish Camouflaged on Sponge Belize Twilight

Canon EOS RP · beside a volcanic reef overhang near Belize City

 Blue Sea Star on Volcanic Rock Underwater in above a rock shelf in clear water near Durbar Square, Kathmandu

Blue Sea Star on Volcanic Rock Underwater

Leica M2 · above a rock shelf in clear water near Durbar Square, Kathmandu

 Silhouetted Hot Spring Rim Against Evening Sky in along a wave-cut shoreline near Jeddah

Silhouetted Hot Spring Rim Against Evening Sky

Canon EOS 5D Mark III · along a wave-cut shoreline near Jeddah

 Mineral Blue Pools on Monaco Shoreline Terrace in along a wave-cut shoreline in Monaco

Mineral Blue Pools on Monaco Shoreline Terrace

Pentax LX · along a wave-cut shoreline in Monaco

 Blue-footed Booby Dancing on Lava Rock in in Yunnan

Blue-footed Booby Dancing on Lava Rock

Mamiya 7 · in Yunnan

 Coral Fungus Under Reef Ledge Twilight Stone Town in beneath a reef ledge in tropical shallows near Stone Town

Coral Fungus Under Reef Ledge Twilight Stone Town

Leica M Monochrom · beneath a reef ledge in tropical shallows near Stone Town

 Marine Iguana on Volcanic Rock at Sunset in near Abanotubani, Tbilisi

Marine Iguana on Volcanic Rock at Sunset

Leica I · near Abanotubani, Tbilisi

 Fern Covered Lava Tube Cave Entrance Peru Noon in in Peru

Fern Covered Lava Tube Cave Entrance Peru Noon

Nikon Z 7 · in Peru

 Giant Starfish on Volcanic Reef in Cebu Twilight in beside a volcanic reef overhang near Cebu

Giant Starfish on Volcanic Reef in Cebu Twilight

Pentax Spotmatic · beside a volcanic reef overhang near Cebu

 Marine Iguana on Volcanic Rock at Twilight in in Georgia

Marine Iguana on Volcanic Rock at Twilight

OnePlus 12 · in Georgia

 Limestone Pinnacles on Memphis Desk in on a writing desk in Memphis

Limestone Pinnacles on Memphis Desk

Leica MP · on a writing desk in Memphis

 Bleached Coral Skeleton Near Volcanic Reef Overhang in beside a volcanic reef overhang near Cairns

Bleached Coral Skeleton Near Volcanic Reef Overhang

Sony a7R · beside a volcanic reef overhang near Cairns

 Monochrome Basalt Pipes Amidst Copper Dusk in across a floodplain after rain in Cuba

Monochrome Basalt Pipes Amidst Copper Dusk

Fujifilm X-S10 · across a floodplain after rain in Cuba

 Autumn Lava Plain Lake Reflections Thimphu in from a ridge above layered foothills near Thimphu

Autumn Lava Plain Lake Reflections Thimphu

Fujifilm X100V · from a ridge above layered foothills near Thimphu

 Camel Caravan Crossing Swiss Lava Field at Dawn in on a wind-open causeway in Switzerland

Camel Caravan Crossing Swiss Lava Field at Dawn

Panasonic Lumix DMC-GH1 · on a wind-open causeway in Switzerland

 Fossilized Coral Reef in Desert Canyon Light in beside a volcanic reef overhang near Cebu

Fossilized Coral Reef in Desert Canyon Light

Sony ZV-1 · beside a volcanic reef overhang near Cebu

 Diver Hauls Stone Furniture on Lava Rock Dawn in in Vancouver

Diver Hauls Stone Furniture on Lava Rock Dawn

Nikon FA · in Vancouver

 Layered Limestone Pancake Rock on Museum Plinth in on a museum plinth in Nagpur

Layered Limestone Pancake Rock on Museum Plinth

Sony a6300 · on a museum plinth in Nagpur

 Sea Fan Swaying in Rainy Cebu Reef Light in beside a volcanic reef overhang near Cebu

Sea Fan Swaying in Rainy Cebu Reef Light

Sony a7S III · beside a volcanic reef overhang near Cebu

 Tropical Fish Swirl Around Coral Head Near Denpasar in beside a reef crevice under clear water near Denpasar

Tropical Fish Swirl Around Coral Head Near Denpasar

Nikon D7000 · beside a reef crevice under clear water near Denpasar

 Coral Frag Pickup Tray Beside Volcanic Reef Cebu in beside a volcanic reef overhang near Cebu

Coral Frag Pickup Tray Beside Volcanic Reef Cebu

OM System OM-3 · beside a volcanic reef overhang near Cebu

 Volcanic Rock Color Study Twilight String Lights in near Tbilisi

Volcanic Rock Color Study Twilight String Lights

Canon EOS R6 Mark III · near Tbilisi

 Feather Duster Worm Fanning on Cebu Coral in along a coral wall with blue water beyond near Cebu

Feather Duster Worm Fanning on Cebu Coral

Canon EOS 90D · along a coral wall with blue water beyond near Cebu

 Winter Liverwort on Wet Stone by Waterfall in in Georgia

Winter Liverwort on Wet Stone by Waterfall

Fujifilm X-Pro2 · in Georgia

 Snowplow on Black Lava Field Near Quito in along a switchback approach near Quito

Snowplow on Black Lava Field Near Quito

Samsung Galaxy S9+ · along a switchback approach near Quito

 Marine Iguana on Volcanic Rock Noon Light in in Tibet

Marine Iguana on Volcanic Rock Noon Light

Samsung Galaxy S10+ · in Tibet

 Puffball Mushroom Releasing Spores on Shaanxi Cliff in along a salt-sprayed cliff edge in Shaanxi

Puffball Mushroom Releasing Spores on Shaanxi Cliff

Canon F-1 · along a salt-sprayed cliff edge in Shaanxi

 Layered Giant Table Corals Near Volcanic Reef in beside a volcanic reef overhang near Stone Town

Layered Giant Table Corals Near Volcanic Reef

Minolta XD-7 · beside a volcanic reef overhang near Stone Town

 Autumn Cinder Cones Above Lhasa Desert Dunes in above dune fields and dry wadis near Barkhor, Lhasa

Autumn Cinder Cones Above Lhasa Desert Dunes

Minolta XD-7 · above dune fields and dry wadis near Barkhor, Lhasa

 Volcanic Stone Ruins Ringed by Wild Fennel in among collapsed cloisters near Almaty

Volcanic Stone Ruins Ringed by Wild Fennel

Canon DIGITAL IXUS · among collapsed cloisters near Almaty

 Coral Polyp Tentacles Night Zanzibar Reef in beside a volcanic reef overhang near Zanzibar

Coral Polyp Tentacles Night Zanzibar Reef

Samsung Galaxy S23 · beside a volcanic reef overhang near Zanzibar

 Sacred Rock Formation at Sunset in Sydney Rain in near Paddington, Sydney

Sacred Rock Formation at Sunset in Sydney Rain

Fujifilm X-H2 · near Paddington, Sydney

 Stone Wood Ruins in Zhejiang Cannery Cloisters in among collapsed cloisters in Zhejiang

Stone Wood Ruins in Zhejiang Cannery Cloisters

Leica M7 · among collapsed cloisters in Zhejiang

 Hand Brooms and Rope at Cappadocia Market Stall in at a roadside fruit stand in Cappadocia

Hand Brooms and Rope at Cappadocia Market Stall

Olympus OM-4 · at a roadside fruit stand in Cappadocia

 Aboriginal Artist Painting Ochre Bark in Sydney Shrine in in a shrine lined with lanterns near The Rocks, Sydney

Aboriginal Artist Painting Ochre Bark in Sydney Shrine

Samsung Galaxy S23+ · in a shrine lined with lanterns near The Rocks, Sydney

 Sulfur Vent on Lithuanian Ridge at Twilight in from a ridge above layered foothills in Lithuania

Sulfur Vent on Lithuanian Ridge at Twilight

Mamiya RZ67 · from a ridge above layered foothills in Lithuania

 Blue Tang School Reef Ledge Close-up in beneath a reef ledge in tropical shallows near Stone Town

Blue Tang School Reef Ledge Close-up

Canon EOS 800D · beneath a reef ledge in tropical shallows near Stone Town

 Coral Pinnacle Silhouette in Monsoon Lagoon in beside a volcanic reef overhang near Cairns

Coral Pinnacle Silhouette in Monsoon Lagoon

Sony a9 · beside a volcanic reef overhang near Cairns

 Camel Caravan on Black Lava Under Indigo Sky in in Bolivia

Camel Caravan on Black Lava Under Indigo Sky

Hasselblad 500C/M · in Bolivia

 Aerial turquoise reef near Cairns shallow water in beside a reef crevice under clear water near Cairns

Aerial turquoise reef near Cairns shallow water

Fujifilm GFX100S · beside a reef crevice under clear water near Cairns

 Clownfish in Volcanic Reef Anemone Cebu in beside a volcanic reef overhang near Cebu

Clownfish in Volcanic Reef Anemone Cebu

Kodak Brownie · beside a volcanic reef overhang near Cebu

 Seal Through Volcanic Arch in Fiji in along a seagrass channel near the coast in Fiji

Seal Through Volcanic Arch in Fiji

Nikon D7100 · along a seagrass channel near the coast in Fiji

 Clownfish Among Volcanic Anemones Zanzibar in beside a volcanic reef overhang near Zanzibar

Clownfish Among Volcanic Anemones Zanzibar

Mamiya RB67 · beside a volcanic reef overhang near Zanzibar

 Snowplow on Black Lava Field Winter Twilight in near La Paz

Snowplow on Black Lava Field Winter Twilight

Nikon Z 7 · near La Paz

 Feather Star Crinoid on Zanzibar Volcanic Reef in beside a volcanic reef overhang near Zanzibar

Feather Star Crinoid on Zanzibar Volcanic Reef

Fujifilm GFX100S · beside a volcanic reef overhang near Zanzibar

 Decorator Crab on Volcanic Reef Before Dusk in beside a volcanic reef overhang near Cairns

Decorator Crab on Volcanic Reef Before Dusk

Huawei Mate 60 Pro · beside a volcanic reef overhang near Cairns

 Mushroom Coral on Cebu Reef Flat in beside a volcanic reef overhang near Cebu

Mushroom Coral on Cebu Reef Flat

Nikon D3X · beside a volcanic reef overhang near Cebu

 Juvenile Fish School Near Volcanic Reef Zanzibar in beside a volcanic reef overhang near Zanzibar

Juvenile Fish School Near Volcanic Reef Zanzibar

Samsung Galaxy S9+ · beside a volcanic reef overhang near Zanzibar

 Macro Sandstone Grain Texture Near Frost Window Reno in along a frost-edged windowpane in Reno

Macro Sandstone Grain Texture Near Frost Window Reno

Samsung Galaxy S24 Ultra · along a frost-edged windowpane in Reno

 Fossil Vertebrae Line in Misty Manali Cliff Dawn in in Manali

Fossil Vertebrae Line in Misty Manali Cliff Dawn

iPhone 16 Pro Max · in Manali

 Beluga Whale in Turquoise Thai Shallows in beside a volcanic drop-off in Thailand

Beluga Whale in Turquoise Thai Shallows

Canon EOS 5DS R · beside a volcanic drop-off in Thailand

 Glowing Brain Coral Under Noon Reef Light in beside a volcanic reef overhang near Stone Town

Glowing Brain Coral Under Noon Reef Light

Pentax K-7 · beside a volcanic reef overhang near Stone Town

 Aerial View of Cappadocia River Delta Branching in far above surf-scalloped coastline in Cappadocia

Aerial View of Cappadocia River Delta Branching

Fujifilm GFX100S II · far above surf-scalloped coastline in Cappadocia

 Fossilized Coral Reef Silhouette in Desert Canyon in along a coral wall with blue water beyond near Stone Town

Fossilized Coral Reef Silhouette in Desert Canyon

Leica M5 · along a coral wall with blue water beyond near Stone Town

 Wrasse Cleaning Station Coral Bommie Zanzibar in beside a reef crevice under clear water near Zanzibar

Wrasse Cleaning Station Coral Bommie Zanzibar

Sony a7R III · beside a reef crevice under clear water near Zanzibar

 Mineral Pools on Travertine Terrace Near Skhirat in near Skhirat

Mineral Pools on Travertine Terrace Near Skhirat

OM System OM-3 · near Skhirat

 Kuwait Valley Travertine Terraces Blue Pools in across a wide valley floor in Kuwait

Kuwait Valley Travertine Terraces Blue Pools

Sony Xperia 1 VI · across a wide valley floor in Kuwait

 Tufa Towers Silhouetted Against Glowing Lake Lights in from a ridge above layered foothills in Utah

Tufa Towers Silhouetted Against Glowing Lake Lights

Zorki 3S · from a ridge above layered foothills in Utah