This public library still showcases its former life as a 19th-century church.

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

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

A mysterious ruin shrouded in more folklore than fact.

This stone was once used by druids to determine a person's innocence or guilt.

These unique weather vanes honor Scotland's most famous bard and decorate this walkway.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

This audio art installation pays tribute to the weather and unique linguistic history of the archipelago.

What appears to be an ancient Roman temple is actually a Catholic church.

Legends surrounding this megalithic tomb range from giants to a dwarf named Trollid.

Scotland's first Masonic lodge may also be the oldest in the world.

Described by William Wordsworth as a "World of Wonder."

An abandoned village where the ruined foundations cling to a cliff.

Sip whey-based vodka at the first Native-owned distillery opened on a reservation in centuries.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

This sublime architectural marvel is a rare example of an expressionist church.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.