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Safranbolu, Turkey
Ryongmun limestone cave in Myoyhang Mountains, North-Korea.
CLEARWATER Cave - Show cave tour at Gunung Mulu National Park
Unique underground geology of stalactites and stalagmites.
Journey through a vibrant cave adorned with colorful walls, stalactites, and stalagmites, revealing the underground beauty of nature's geological wonders.
Terni, Umbria, Italia: Piccolo gioiello bello e delicato dei Monti Martani alle porte di Cesi
Darwin, NT, Australia-August 15,2018: WWII ammunitions bunker with land covering and sign with inert bomb at the Charles Darwin National Park in Darwin, Australia
Information Sign at Rusthall Commons near Royal Tunbridge Wells in Kent, England. It contains a map and illustrations regarding the countryside.
Insuyu cave from Burdur.
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.
Karst cave, amazing view of stalactites and stalagnites in colorful bright light, beautiful natural landmark in touristic place.
weathered Buddha sculpture in Cave 9 at Yungang Grottoes, ancient Chinese Buddhist temple grottoes built during the Northern Wei dynasty near the city of Datong, in the province of Shanxi. They are excellent examples of rock-cut architecture and one of the three most famous ancient Buddhist sculptural sites of China. The others are Longmen and Mogao.
A front entrance to old coal and kerosene mines in Katoomba Valley at Blue Mountain National Park
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.
Aerial view of the Blue Eye, natural spring in the Albanian mountains with various footpaths
Backpacker woman standing on Rainbow cave (Keshet Cave, Galilee, North of Israel).
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.
Bouquet of aragonite, Gouffre Géant de Cabrespine, Giant chasm of Cabrespine
Giant Cave is a karst cave explored in 1840 located on the Karst plateau, a few kilometers from the city of Trieste
Mandeville, Louisiana, United States – February 10, 2018: Mandeville, Louisiana - February 2018: The former railroad station in the center of Mandeville nows provides a public space along the Tammany Trace.
Underground cave at Mulu national park
Prattville, Alabama, USA-March 27, 2024: Signs at the entrance to the Wilderness Park and Bamboo Forest in Prattville, Alabama.
The Dupnisa Cave (Turkish: Dupnisa Mağarası), located in Strandzha Mountain Range Kırklareli, northwestern Turkey, close to Bulgarian-Turkish border.
Kenting National Forest Recreation Area in Hengchun Township, Pingtung County, Taiwan
Kaklik Cave in Denizli, Turkey
Wind cave in Garfagnana, Tuscany, Italy
Gilfenklamm gorge. Racines. Autonomous Province of Bolzano. Trentino-Alto Adige. Italy.
Ancient Minoan sacred Psychro cave where god Zeus was born. crete, Greece
Dobongsan Mountain, Seoul Korea 도봉산
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