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

A painted tribute to an ancient Egyptian king lurks along a stretch of Scottish shore.

This enchanting hill is home to fairy lore and a sinister local mystery.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

This modern labyrinth lies in the shadow of a ruined medieval castle.

An optical Illusion once believed to be an electrical phenomenon.

Even after the church tried to wipe the practice out, this pagan festival lives on each year in a small Scottish village.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

These fantastically named natural pools look like something out of a Scottish myth.

This abandoned oil depot produces world's longest echo in a manmade structure.

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

A sweet symbol marks the place where torturous executions were once carried out.

The fountain marks the area where hundreds of accused witches were burned at the stake.

This ghost town in Belgium will lose its street art when it ceases to exist.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

Housing the groundbreaking maps and globes of Gerard Mercator.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

An undulating wicker beast looms peacefully atop a sand dune in Belgium.

A garden of flying flowers.

A 1:20 scale piece of the Netherlands commissioned by a queen lets visitors take a stroll as giants.