Cave Formation

Cave Stalactites Overlooking Dhamar Foothills

Polaroid SX-70 · from a ridge above layered foothills near Dhamar

Dripping Stalactite in Predawn Western Australia Cave

Sony a7R V · from a ridge above layered foothills in Western Australia

Silhouetted Selenite Crystals in Nile Delta Cave

Fujifilm GFX100 II · in the Nile Delta

Blue Light in Russian Glacier Cave Shoreline

Nikon D80 · along a wave-cut shoreline in Russia

Silvery Selenite Cave Dead Sea Shore Night

iPhone 7 · along a wave-cut shoreline in the Dead Sea

Sea Turtle Resting on Cave Ledge Senegal

Sony a6600 · above a seagrass meadow in Senegal

Cave Stalactites Ridge Over Can Tho

Fujifilm GFX100 · from a ridge above layered foothills near Can Tho

Underground River Silhouette in Kyushu Foothills

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

Blue Light Glacier Cave Near Sapporo

Sony a6400 · near Sapporo

Winter Sunset Cappadocian Fairy Chimney Valley

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

Blue Glacial Cave in Predawn Siberia

Nikon F80 · in Siberia

First Light on Cave Stalactites Near Carrollton

Nikon D7100 · near Carrollton

Golden Hour Silhouette Giant Crystal Cave Near Los Teques

Pentax ME Super · near Los Teques

Blue Hour Cave Stalactites Floodplain Asheville

Fujifilm X-Pro1 · across a floodplain after rain near Asheville

Turquoise Cenote Stalactites Naples Afternoon Light

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

Silhouetted Cappadocian Fairy Chimney at Dawn

Hasselblad X2D 100C · near Ürgüp