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9 wondrous water caves

By: Catie Leary on March 14, 2011, 12:20 p.m.
Columnar jointed volcanics of Fingal's Cave

Photo: Steve Allen/Shutterstock

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Fingal's Cave

Located on the island of Staffa, Scotland, Fingal's Cave, also known as "Uamh-Binn" in Gaelic (meaning "cave of melody"), is well-known for its arching, cathedral-like geological features and emanating eerie sounds.

The cave, along with the entire island of Staffa, is composed entirely of hexagonal basalt columns (similar to Northern Ireland's Giant's Causeway), which produces the naturally arched ceiling.

The easiest way to see this awe-inspiring cave for yourself is to take a sightseeing cruise from the town of Mull. The cruises land close to the cave, and the hexagonal basalt columns serve as perfect stepping stones to walk along the shore and enter the cave.