Fingal's Cave is carved from hexagonal basalt

Fingal's Cave is formed from hexagonal basalt columns.

Fingal's Cave is a sea cave on Staffa Island in Scotland.

Staffa’s basalt columns formed from cooling lava and fractures.

Hexagonal columns at Fingal's Cave resemble Giant’s Causeway's.

Fingal's Cave was named after an 18th-century Scottish poem hero.

James Macpherson misread the Gaelic word Finn as Fingal, which means stranger.

Fingal's Cave has a huge sea-filled arch with unique acoustics.

Visitors can walk a column walkway just above high-water level.

Mendelssohn composed The Hebrides inspired by the cave’s echoes.

Poets Wordsworth and Keats also made trips to this dramatic cave.

Fingal's Cave stands about 23 meters high as some sources say.

The cave’s depth measures approximately 85 meters in some accounts.

Fingal's Cave remains swept by deep, swelling sea inside basalt halls.

Echoes from Fingal's Cave helped make it a tourist magnet.

These hexagonal basalt columns create the cave's stunning structure.