This giant middle finger statue sends an unambiguous message to Italy's bankers.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

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 was also the inspiration for Disney’s “Sleeping Beauty.”

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.