Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A bizarre stone beast lurks on the beach of a popular tourist island.

The United Kingdom's smallest working cathedral also serves as a quaint bed and breakfast.

The narrowest house in the U.K.