The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

How did a French journalist’s grave become the sexiest statue in the cemetery?

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

France's most famous cemetery, with some of its most curious tombs.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

One of the world's tallest statues is also one of its most hated.

Dozens of padlock-trees along the Moscow River.

World's largest bell sits on the grounds of the Kremlin in Moscow.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

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

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

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

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

A close look reveals that the Scottish monument is just slightly off-kilter.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.