Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Three large boulders covered in mysterious carvings and graffiti.

This 19th-century monument served an important purpose for fishermen thanks to its built-in barometer.

This monument is dedicated to a young boy who survived a disaster that forced Edinburgh to reevaluate its building codes.

The ruins of Scottish sea salt production.

These ancient symbols freckling a Scottish cliff remained hidden for centuries.

This hill nestled in the Scottish lowlands was a ritual site for over 4,000 years.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

These ruins of a medieval church are full of architectural mysteries.

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

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

On a remote island, legend has it that a fiddler and his wife were turned to stone.

The highest lighthouse in Scotland shines from an abandoned island.

A bay of elaborate, historic toilets are held in high esteem at this Scottish dock.

A mysterious ruin shrouded in more folklore than fact.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

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

The abandoned transportation hub hides within the Glasgow attraction it once served.

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

A close look reveals that the Scottish monument is just slightly off-kilter.

An optical Illusion once believed to be an electrical phenomenon.

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.