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

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

A humble ancient well where Scottish knight, Sir William Wallace, took his final drink.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Inside this cathedral is a shoulder bone belonging to the Patron Saint of Scotland.

Every New Year's Day, locals don gaudy costumes and dive into the frigid Firth of Forth.

A poetic monument to the Scottish Parliament.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

Neon artworks light up this dark Edinburgh tunnel.

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

This tablet indicates where the tragic monarch returned to begin her tumultuous downfall.

A roadway designed for a visiting monarch.

Forgotten jail cells beneath this Scottish town hall are now used for delightfully artful storage.

A remarkable feat of Victorian engineering across the Firth of Forth.

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

This brilliant display of whirling fireballs celebrates Hogmanay.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

This 16-foot, 6-ton statue in the singer's hometown doesn't actually look like her.

This unofficial museum details the rise and fall of Colombia's most notorious narcotrafficker, Pablo Escobar.

Two identical statues by Fernando Botero, one blown to pieces in a terrorist bombing, the other donated as a gift for peace.