Underground Stream

Underground River Emerging from Cave at Golden Hour in across a floodplain after rain near Warri

Underground River Emerging from Cave at Golden Hour

iPhone 14 · across a floodplain after rain near Warri

 Indigo Twilight River Flowing From Andes Cave in in the Andes

Indigo Twilight River Flowing From Andes Cave

Canon EOS 650D · in the Andes

 Underground River Emerges from Cave Mouth Ridge Overlooking Amman in from a ridge above layered foothills near Amman

Underground River Emerges from Cave Mouth Ridge Overlooking Amman

Canon A-1 · from a ridge above layered foothills near Amman

 Surreal Hydrogen Sulfide River in Oregon Cave in beside a volcanic drop-off in Oregon

Surreal Hydrogen Sulfide River in Oregon Cave

Canon EOS R8 · beside a volcanic drop-off in Oregon

 Winter Hydrogen Sulfide River Cave Close-up in near Sarona, Tel Aviv

Winter Hydrogen Sulfide River Cave Close-up

Fujifilm X-T1 · near Sarona, Tel Aviv

 Underground River Emerges from Cave Mouth in along a wave-cut shoreline in Mexico

Underground River Emerges from Cave Mouth

Sony Xperia 1 V · along a wave-cut shoreline in Mexico

 Silhouette River Emerging from Urals Cave in in the Urals

Silhouette River Emerging from Urals Cave

Olympus OM-10 · in the Urals

 Subterranean River Emerges from Cave in Guiyang Foothills in from a ridge above layered foothills near Guiyang

Subterranean River Emerges from Cave in Guiyang Foothills

Nikon D5 · from a ridge above layered foothills near Guiyang

 Underwater River of Hydrogen Sulfide in Cave Near Auckland in above a seagrass meadow near Auckland

Underwater River of Hydrogen Sulfide in Cave Near Auckland

Olympus OM-D E-M1 Mark II · above a seagrass meadow near Auckland

 Turquoise Cenote Stalactites Naples Afternoon Light in beside a volcanic drop-off near Spaccanapoli, Naples

Turquoise Cenote Stalactites Naples Afternoon Light

OM System OM-1 Mark II · beside a volcanic drop-off near Spaccanapoli, Naples

 Subterranean River Emerging From Cave At Sunrise in from a ridge above layered foothills in Sulawesi

Subterranean River Emerging From Cave At Sunrise

Canon EOS 750D · from a ridge above layered foothills in Sulawesi

 Hydrogen Sulfide River Underwater Cave Blue Hour in along a kelp-fringed shelf near Busan

Hydrogen Sulfide River Underwater Cave Blue Hour

iPhone 13 · along a kelp-fringed shelf near Busan

 Underground River Emerging From Rock in Greek Foothills in from a ridge above layered foothills in the Greek Islands

Underground River Emerging From Rock in Greek Foothills

Polaroid model 95 · from a ridge above layered foothills in the Greek Islands

 Nicaraguan Underground River at Dusk in in Nicaragua

Nicaraguan Underground River at Dusk

Canon T90 · in Nicaragua

 Underground River Emerging From Cave Mouth Brasilia Rainy Season in near Brasilia

Underground River Emerging From Cave Mouth Brasilia Rainy Season

Fujifilm X-E1 · near Brasilia

 Hydrothermal Vent and Tube Worms Near Haifa in beside a volcanic drop-off near Haifa

Hydrothermal Vent and Tube Worms Near Haifa

Canon EOS R5 · beside a volcanic drop-off near Haifa

 Underground River Emerges From Cave Before Sunrise in from a ridge above layered foothills near Kisumu

Underground River Emerges From Cave Before Sunrise

Nikon D7000 · from a ridge above layered foothills near Kisumu

 New Zealand Hydrothermal Vent Tube Worms in in New Zealand

New Zealand Hydrothermal Vent Tube Worms

Canon EOS 6D · in New Zealand

 Tropical Fish Swim Through Sewage Tunnel Night in under a cable-stayed bridge span in Illinois

Tropical Fish Swim Through Sewage Tunnel Night

Sony a7 IV · under a cable-stayed bridge span in Illinois

 Silvery Hydrogen Sulfide River in Sardinian Cave in in Sardinia

Silvery Hydrogen Sulfide River in Sardinian Cave

Sony a7R · in Sardinia

 Winter River Emerges From Rock Near Sukkur in across a floodplain after rain near Sukkur

Winter River Emerges From Rock Near Sukkur

Leica M (Typ 240) · across a floodplain after rain near Sukkur

 Steam Rising from Subway Entrance in Vaulted Atrium in inside a vaulted atrium in Man

Steam Rising from Subway Entrance in Vaulted Atrium

Minolta Maxxum 7000 AF · inside a vaulted atrium in Man

 Underground River Emerging Cave Wet Season in along a wave-cut shoreline near Eldoret

Underground River Emerging Cave Wet Season

Leica III · along a wave-cut shoreline near Eldoret

 River Flow From Cave Mouth On Misty Floodplain in across a floodplain after rain near Dhaka

River Flow From Cave Mouth On Misty Floodplain

Canon EOS 77D · across a floodplain after rain near Dhaka

 Underground River Silhouette in Kyushu Foothills in from a ridge above layered foothills in Kyushu

Underground River Silhouette in Kyushu Foothills

Panasonic Lumix DC-S9 · from a ridge above layered foothills in Kyushu

 Sea Turtle Resting in Underwater Cave Shaft Light in near Salvador

Sea Turtle Resting in Underwater Cave Shaft Light

Canon EOS 80D · near Salvador

 Underground River Emerging From Cave At Dawn in near Pecs

Underground River Emerging From Cave At Dawn

Nikon D780 · near Pecs

 Underground River Emerges at Dawn in Andalusian Foothills in from a ridge above layered foothills in Andalusia

Underground River Emerges at Dawn in Andalusian Foothills

Samsung Galaxy S23 Ultra · from a ridge above layered foothills in Andalusia

 Turquoise Cenote Stalactites Winter Evening in along a kelp-fringed shelf near Bo-Kaap, Cape Town

Turquoise Cenote Stalactites Winter Evening

Hasselblad 907X · along a kelp-fringed shelf near Bo-Kaap, Cape Town

 Turquoise Glacial Ice Wall Underwater Vancouver in above a rock shelf sealed under winter ice near Gastown, Vancouver

Turquoise Glacial Ice Wall Underwater Vancouver

Samsung Galaxy S24 Ultra · above a rock shelf sealed under winter ice near Gastown, Vancouver

 Blue Hour Tunnel Portal with Meltwater Icicles in along a dam spillway in Virginia

Blue Hour Tunnel Portal with Meltwater Icicles

Sony a6300 · along a dam spillway in Virginia

 Aerial view of sinkhole cenote with roots in far above orchard blocks and irrigation lines in Armenia

Aerial view of sinkhole cenote with roots

Zorki 3S · far above orchard blocks and irrigation lines in Armenia

 Turquoise Cenote Stalactites Low Angle View in in Florida

Turquoise Cenote Stalactites Low Angle View

Polaroid 636 · in Florida

 Upward Rain and Lava Cave at Golden Hour in across a wide valley floor near Vancouver

Upward Rain and Lava Cave at Golden Hour

Speed Graphic · across a wide valley floor near Vancouver

 Twilight Sinkhole Lake Near Machiques Valley in across a wide valley floor near Machiques

Twilight Sinkhole Lake Near Machiques Valley

Nikon D810A · across a wide valley floor near Machiques

 Tube Worms Around Deep Sea Vent in Split Waters in beside a volcanic drop-off near Split

Tube Worms Around Deep Sea Vent in Split Waters

Canon EOS 5D Mark III · beside a volcanic drop-off near Split

 Subterranean River Emerges from Cave at Dawn in across a floodplain after rain near Leipzig

Subterranean River Emerges from Cave at Dawn

Kodak Brownie · across a floodplain after rain near Leipzig

 Underground River Emerges From Cave Mouth Gujarat Noon in in Gujarat

Underground River Emerges From Cave Mouth Gujarat Noon

Canon T90 · in Gujarat

 Uganda Cave River Silhouette Against Noon Light in from a ridge above layered foothills in Uganda

Uganda Cave River Silhouette Against Noon Light

Polaroid model 95 · from a ridge above layered foothills in Uganda

 Cenote Water and Roots in Late Autumn Foothills in from a ridge above layered foothills near Touggourt

Cenote Water and Roots in Late Autumn Foothills

Samsung Galaxy S9+ · from a ridge above layered foothills near Touggourt