This splendid tomb may look fantastic, but there's nothing in it...

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

An Austrian house of bones filled with hundreds of intricately painted skulls.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A unique bridge with an equally unique view.

The fairy tale castle of the "fairy-tale king."

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

Go surfing on this urban wave, "hacked" by local surfers.

A fearsome dragon clings to a corner of Munich's city hall.

The footprint of a frustrated devil in Munich's Cathedral.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

At just 51 feet and 10 inches long, it's the shortest street in England.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

Constructed on the ruins of a convent, this tower saved countless lives.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

The final resting place of the great navigator, or maybe his brother.

The oldest Roman lighthouse still in use.

The ancient latrines of the Greeks, in all their public glory.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

A charming beach town in Turkey captures all the colors of the rainbow.