Geological formation, Karst / caves

Alejandro de Humboldt National Park
Parque Nacional Alejandro de Humboldt is a national park in the Cuban provinces of Holguín and Guantánamo.
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Carlsbad Caverns
The Carlsbad Caverns are an extensive cave system with over 80 known caves. It originated 250 million years ago as erosion started on a reef in an (evaporated) inland sea.
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Caves of the Aggtelek and Slovak Karst
This transboundary WHS consists of a complex of huge karst plains and plateaus. The following caves are part of the site: - Baradla-Domica Cave System - Béke-barlang Cave - Kossuth-barlang Cave - Meteor-barlang Cave - Rákóczi 1.
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Desembarco del Granma National Park
Desembarco del Granma National Park is a national park in south-eastern Cuba, named after the yacht in which Fidel Castro, Che Guevara, Raúl Castro, and 79 of their supporters sailed from Mexico to Cuba in 1956 and incited the Cuban Revolution.
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Gunung Mulu National Park
Gunung Mulu National Park lies on the island of Borneo (Sarawak state). It has been made a WHS because of its biodiversity and its karst features and cave systems including some of the largest in the world.
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Ha Long Bay
Ha Long Bay is a group of offshore islands that is the best example of marine invaded tower karst in the world.
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Mammoth Cave
Mammoth Cave is by far the longest cave system in the world, known passages extending to 306km. The cave was formed over 100 million years ago and the geological process is continuing.
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Nahanni National Park
Nahanni National Park Reserve lies in the Northwest Territories of Canada. The centrepiece of the park is the South Nahanni River.
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Phong Nha - Ke Bang
The Phong Na / Khe Bang karst plateau lies in Central Vietnam, and is the oldest major karst area in Asia.
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Purnululu National Park
Purnululu National Park is famous for the sandstone domes, unusual and visually striking with their striping in alternating orange and grey bands.
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Skocjan Caves
The Škocjan Caves are located in the Kras region (literally meaning Karst) of southwest Slovenia, not far from Trieste.
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South China Karst
South China Karst can be considered as one of the two great karst regions of the world*. Within this 500.
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