Geological formation, Volcanic / thermal
Giant's Causeway
The Giant's Causeway is an area of 40,000 interlocking basalt columns resulting from a volcanic eruption.
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Hawaii Volcanoes
Hawaii Volcanoes National Park is an excellent example of island building through volcanic processes.
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Heard and McDonald Islands
Heard Island and McDonald Islands are uninhabited, barren islands located in the Southern Ocean, with a complete absence of alien plants and animals, as well as human impact.
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Hierapolis-Pamukkale
This entry combines the Greek/Roman heritage of Hierapolis with the natural sight Pamukkale, located in the same town.
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Isole Eolie
The Aeolian Islands (Isole Eolie) consist of seven islands off the northern coast of Sicily: Lipari, Vulcano, Salina, Stromboli, Filicudi, Alicudi and Panarea.
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Jeju
The Jeju volcanic island is an example of a large shield volcano, a lesser common type of volcano and rare in its enviromental setting.
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Macquarie Island
Macquarie Island is the only place on earth where rocks from the earth's mantle (6 km below the ocean floor) are being actively exposed above sea-level.
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Pitons Management Area
The Pitons Management Area consists of two lava domes (volcanic plugs). The Gros Piton is 771 m, and the Petit Piton is 743 m high; they are linked by the Piton Mitan ridge.
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Surtsey
Surtsey is a volcanic island that was formed in a volcanic eruption in the sea which reached the surface on 14 November 1963.
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Teide National Park
Situated on the island of Tenerife, Canary Islands, Teide National Park covers 18,990 ha and features the Teide-Pico Viejo volcano.
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Ujung Kulon National Park
Ujung Kulon National Park is located at the western-most tip of Java and was declared a UNESCO World Heritage Site in 1992 for containing the largest remaining lowland rainforest in Java.
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Volcanoes of Kamchatka
The Volcanoes of Kamchatka are one of the most outstanding examples of the volcanic regions in the world.
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Yellowstone
Yellowstone National Park is located in the seismically most active area of the Rocky Mountains.
This leads to the existence of 200 species of petrified plants and features like geysers (with 200-250 in number, more than all of the rest of the world combined), hot springs, mud pots and fumaroles.
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