How well do you know the world’s caves?
From caves filled with glowworms to impressive cave temples, it’s time to put your knowledge of these natural geological wonders to the test…

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Before we dig deep into your knowledge, let’s ease you in. Hang Son Doong is the largest cave in the world by volume – but in which country would you find it?

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This sea cave in Capri is famous for its blue glow. But what is the cave called?

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The Waitomo Cave is known for its glowworms which produce a blue-green bioluminescence. But in which country would you find it?

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This sea cave in Scotland’s Inner Hebrides takes its name from a poem by 18th century poet-historian James Macpherson. But what is it called?

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One of the last known habitations of the Neanderthals in Europe, this cave complex is Gibraltar’s only UNESCO World Heritage Site. Name it.

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The Cave of the Apocalypse is one of the holiest sites in Christianity as it is where St. John received his visions that he later wrote down in the Book of Revelation. On which Greek island would you find it?

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The Cradle of Humankind UNESCO World Heritage Site features a series of caves within which the largest known concentration of human ancestral remains has been found. But in which country would you find it?

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Veryovkina Cave, found in a disputed region within the Western Caucasus, is one of the deepest caves in the world. But how deep is it (to the nearest 1000m)?

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At 42km in length, Eisriesenwelt is the world’s largest ice cave. But where will you find it?

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Postojna Cave is famed for a number of reasons, including that the world’s first railway in an underground cave opened here in 1872. But in which country is it located?

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Prohodna cave is also known as the Eyes of God due to its two distinctive holes in the roof. But in which country would you find it?

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