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Unique underground geology of stalactites and stalagmites.
CLEARWATER Cave - Show cave tour at Gunung Mulu National Park
Backpacker woman standing on Rainbow cave (Keshet Cave, Galilee, North of Israel).
Karst cave, amazing view of stalactites and stalagnites in colorful bright light, beautiful natural landmark in touristic place.
A front entrance to old coal and kerosene mines in Katoomba Valley at Blue Mountain National Park
Terni, Umbria, Italia: Piccolo gioiello bello e delicato dei Monti Martani alle porte di Cesi
Picture of cave Grotte des Demoiselles illuminated inside, France
skeleton in museum
Bouquet of aragonite, Gouffre Géant de Cabrespine, Giant chasm of Cabrespine
Kaklik Cave in Denizli, Turkey
A colorful view of the ice cave in the glacier in slovakia underground
Aerial view of the Blue Eye, natural spring in the Albanian mountains with various footpaths
The Castellana Caves are a remarkable karst cave system located in the municipality of Castellana Grotte, Puglia, Italy
Colorful volcanic rocks in the Algar do Carvao cave, volcanic tunnel, at Terceira island, Azores
Caves of Mira de Aire illuminated in green light on September 22, 2021 in Portugal.
Dobongsan Mountain, Seoul Korea 도봉산
A humbling adventure to have hiked all the way up 2.4km above sea level and capture this from above.
Cave Near The Natural Bridge - Rockbridge County Virginia State Park Trail - Cave at the Natural Bridge Trail
Journey through a vibrant cave adorned with colorful walls, stalactites, and stalagmites, revealing the underground beauty of nature's geological wonders.
The Dupnisa Cave (Turkish: Dupnisa Mağarası), located in Strandzha Mountain Range Kırklareli, northwestern Turkey, close to Bulgarian-Turkish border.
Cennet and Cehennem, Mersin, Turkey-December 31, 2023: people are visiting the two large sinkholes called Cennet Cehennem in the Taurus Mountains, in Mersin which are among the tourist attractions.
Kenting National Forest Recreation Area in Hengchun Township, Pingtung County, Taiwan
Information Sign at Rusthall Commons near Royal Tunbridge Wells in Kent, England. It contains a map and illustrations regarding the countryside.
Spiky pneumatophores rise from the shallow seafloor of a mangrove forest along the coast of Lembata, Indonesia. This type of root is used by black mangrove trees to capture oxygen.
Zaire Province, Angola: rock columns in the Zau Evua Caves, meaning 'Nine Elephants' in the Kikongo language and considered a sacred place - located in a huge rock outcrop near the M'Banza Kongo - N'Zeto road.
Beautiful and mysterious cave scenery
View from boat of beautiful circle-shape cave in Puglia, South Italy
Underground cave at Mulu national park
Beautiful cenote in Tulum, Cancun, Valadolid area. Natural sinkhole with crystal clear ground water. Underground pond
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