Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Stay in the one time home to one of Scotland's most notorious gentleman's sex clubs.

A small Scottish town's larger-than-life tribute to the celebrated accordion player.

A trio of giant megalithic stones in the middle of a golf course.

Soviet intelligence had a keen interest in the Cold War linguistic school at this old Scottish airfield.

The unusual burial monument of Arizona's first governor.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

A geological mystery on Camelback Mountain.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

A self-built castle made by a mysterious man.