Petroglyphs

Fossilized Reef Silhouette in Desert Canyon in beside a reef crevice under clear water near Cairns

Fossilized Reef Silhouette in Desert Canyon

Canon EOS 7D Mark II · beside a reef crevice under clear water near Cairns

 Geologist Splits Shale Beside Observatory Dome in beside an observatory dome in Aragon

Geologist Splits Shale Beside Observatory Dome

Leica III · beside an observatory dome in Aragon

 Geologist Sketching Fault Line in Guiyang Twilight in in Guiyang

Geologist Sketching Fault Line in Guiyang Twilight

Sony a6300 · in Guiyang

 Silhouetted Banded Pipefish Among Coral Branches in beneath a reef ledge in tropical shallows near Stone Town

Silhouetted Banded Pipefish Among Coral Branches

Google Pixel 4 XL · beneath a reef ledge in tropical shallows near Stone Town

 Geologist Kneeling Beside Basalt Columns at Sunset in in Arequipa

Geologist Kneeling Beside Basalt Columns at Sunset

Leica M11 · in Arequipa

 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

 Geologist Sketching Fault Line in Monsoon Dust in in Minatitlán

Geologist Sketching Fault Line in Monsoon Dust

Fujifilm X-E1 · in Minatitlán

 Geology Gloves Silhouette Arizona Desert Evening in on a wind-scoured research platform in Arizona

Geology Gloves Silhouette Arizona Desert Evening

Olympus Trip 35 · on a wind-scoured research platform in Arizona

 Aerial View of Hexagonal Basalt Columns Above Braided River in high above braided river channels in Kanto

Aerial View of Hexagonal Basalt Columns Above Braided River

Nikon FM3A · high above braided river channels in Kanto

 Flamboyant Cuttlefish Walking Coral Wall in along a coral wall with blue water beyond near Denpasar

Flamboyant Cuttlefish Walking Coral Wall

Nikon D780 · along a coral wall with blue water beyond near Denpasar

 Street Cartographer Mapping Jaipur Pink City Noon with Ink Stained Hands and Spectacles in in Jaipur, India

Street Cartographer Mapping Jaipur Pink City Noon with Ink Stained Hands and Spectacles

Google Pixel 9 Pro XL · in Jaipur, India

 Rose Window Shadow Cast on Stone Floor in inside a vaulted atrium near Tijuana

Rose Window Shadow Cast on Stone Floor

Canon EOS R7 · inside a vaulted atrium near Tijuana

 Fossilized Coral Reef Desert Canyon Wall in beside a volcanic reef overhang near Stone Town

Fossilized Coral Reef Desert Canyon Wall

Nikon D100 · beside a volcanic reef overhang near Stone Town

 Scientist Surveying Coral Reef Transect Singapore in beside a tidal survey transect in Haji Lane, Singapore

Scientist Surveying Coral Reef Transect Singapore

Canon EOS 6D · beside a tidal survey transect in Haji Lane, Singapore

 Aerial Columnar Basalt Over Tennessee Hills in far above terraced hillsides in Tennessee

Aerial Columnar Basalt Over Tennessee Hills

Fujifilm X-T3 · far above terraced hillsides in Tennessee

 Manitoba River Braiding Through Gravel Floodplain in in Manitoba

Manitoba River Braiding Through Gravel Floodplain

Minolta XD-7 · in Manitoba

 Queensland Limestone Pavement Valley Monsoon in across a wide valley floor in Queensland

Queensland Limestone Pavement Valley Monsoon

Nikon F2 · across a wide valley floor in Queensland

 Hexagonal Basalt Columns Over Tunisian Greenhouses in high over greenhouse grids in Tunisia

Hexagonal Basalt Columns Over Tunisian Greenhouses

Nikon D7100 · high over greenhouse grids in Tunisia

 Copper-toned dusk light illuminates historic stone observatory hilltop in Jaipur India in in Jaipur, India

Copper-toned dusk light illuminates historic stone observatory hilltop in Jaipur India

Lubitel 166 universal · in Jaipur, India

 Pharaoh Cuttlefish Rippling Colors Under Reef in beneath a reef ledge in tropical shallows near Stone Town

Pharaoh Cuttlefish Rippling Colors Under Reef

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

 Jaipur street mural painting at dusk with city lights beginning to glow in in Jaipur, India

Jaipur street mural painting at dusk with city lights beginning to glow

Nikon D6 · in Jaipur, India

 Cuttlefish Flashing Colors on Volcanic Reef in beside a volcanic reef overhang near Cairns

Cuttlefish Flashing Colors on Volcanic Reef

Nikon D80 · beside a volcanic reef overhang near Cairns

 Geologist Splitting Shale Near Flores Observatory Dome in beside an observatory dome in Flores

Geologist Splitting Shale Near Flores Observatory Dome

Asahi Pentax K · beside an observatory dome in Flores

 Geologist Balancing on Scree Near Strata in Harare in in Harare

Geologist Balancing on Scree Near Strata in Harare

Nikon D5 · in Harare

 Vibrant Mural in Jaipur at Clear Late-afternoon Light in in Jaipur, India

Vibrant Mural in Jaipur at Clear Late-afternoon Light

Sony Alpha 55 · in Jaipur, India

 Turquoise Cenote Light with Stalactites Underwater in along a kelp-fringed shelf near Havana

Turquoise Cenote Light with Stalactites Underwater

iPhone 13 Pro · along a kelp-fringed shelf near Havana

 Giant Pacific Octopus in Havana Den in near Callejon de Hamel, Havana

Giant Pacific Octopus in Havana Den

Fujifilm X-T4 · near Callejon de Hamel, Havana

 Honeycomb Basalt Columns Above Greenhouse Grids in high over greenhouse grids near Ranchi

Honeycomb Basalt Columns Above Greenhouse Grids

Google Pixel 9 · high over greenhouse grids near Ranchi

 Hexagonal Basalt Columns Silhouetted in Evening Light in high above irrigation geometry near Tunis

Hexagonal Basalt Columns Silhouetted in Evening Light

Smena 8M · high above irrigation geometry near Tunis

 Lalibela Church in Detroit Hall in in a ceremonial hall near Detroit

Lalibela Church in Detroit Hall

Polaroid SX-70 · in a ceremonial hall near Detroit

 Geologist on Scree with Hammer in Charlotte Twilight in in Charlotte

Geologist on Scree with Hammer in Charlotte Twilight

Kodak Brownie · in Charlotte

 Geologist Splitting Shale on Shanghai Outcrop in on a wind-scoured research platform near Tianzifang, Shanghai

Geologist Splitting Shale on Shanghai Outcrop

Fujifilm X-H1 · on a wind-scoured research platform near Tianzifang, Shanghai

 Silhouetted Cenote Stalactites in Amber Sunset in near Gamcheon, Busan

Silhouetted Cenote Stalactites in Amber Sunset

Samsung Galaxy Note 10+ · near Gamcheon, Busan

 Aerial View of Hexagonal Basalt Columns Near Athens in far above river meanders near Thisio, Athens

Aerial View of Hexagonal Basalt Columns Near Athens

Leica M6 · far above river meanders near Thisio, Athens

 Graffiti Roses on Stone Walls Guatemala in among roofless stone chambers in Guatemala

Graffiti Roses on Stone Walls Guatemala

Sony a7R · among roofless stone chambers in Guatemala

 Geologist Examining Basalt Columns Night Candlelight in near Zhujiajiao, Shanghai

Geologist Examining Basalt Columns Night Candlelight

Yashica MAT-124G · near Zhujiajiao, Shanghai

 Geologist Kneeling by Basalt in Alcobendas in in Alcobendas

Geologist Kneeling by Basalt in Alcobendas

Canon EOS R5 Mark II · in Alcobendas

 Flamboyant Cuttlefish Walking Coral Wall Dawn in along a coral wall with blue water beyond near Stone Town

Flamboyant Cuttlefish Walking Coral Wall Dawn

Sony a7 III · along a coral wall with blue water beyond near Stone Town

 Day Octopus Hunting Crabs on Coral Rubble in along a coral wall with blue water beyond near Denpasar

Day Octopus Hunting Crabs on Coral Rubble

Nikon Z f · along a coral wall with blue water beyond near Denpasar

 Geology Station Above Arctic Glacier Moraine in beside an observatory dome in Siberia

Geology Station Above Arctic Glacier Moraine

Sony a7S · beside an observatory dome in Siberia