The location of this historic castle was inspired by a donkey.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

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

A pair of mosaics marks the spot where the last accused witch of Dundee was put to death.

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

Unusually, this ancient Iron Age broch has never been excavated.

Hidden in this modern shopping center is a relic of 16th-century capital punishment.

The oldest natural aquarium in the United Kingdom.

This 16th-century tower house has a little hidden secret and a connection to an Apollo astronaut.

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

This lovely Scottish nature walk leads to the source of a local legend.

Believed to be the birthplace of John Balliol.

This fortified L-shaped tower is the ancient seat of clan Hannay.

On a corner of the Ardmeanach peninsula on the Isle of Mull, a 50 million-year-old fossil tree hides in the coastal cliffs.

The raised stones in the middle of this road through Culross are relics of a 17th-century class divide.

Inside a Scottish castle hangs the tattered remains of a flag with murky origins and supposed magic powers.

The ruins of this magnificent Scottish castle blend both Gothic and Renaissance architectural styles.

A monument honoring 81 residents of this Scottish town who were executed for witchcraft in the 16th century.

Legend says this rock was once a chopping block for public executions.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

Built to hold the worst of the worst of the Nazi war prisoners.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

Legend says this cave housed a 16th-century cannibal and his family of 48.