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

Peeing dogs guard the Roman hunting goddess atop a fountain at France’s Château de Fontainebleau.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

This church sits upon a peaceful hill and a long, turbulent history.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

A medieval military street hidden beneath a charming French fishing village.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

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

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

The powerful party began with a secret meeting in this shikumen in 1921.

An out-of-place slice of France, smack in the middle of Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

The field of tiny caves that mark this Chinese cliffside are each their own historic Buddhist temple.

This probably wasn't what Mao had in mind.

Massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

This Tang Dynasty behemoth is the biggest Buddha in the world.

270 million year-old forest of stone.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A fifth-century temple improbably built into the side of a cliff.

A neutrino detector built into the largest man-made underground cavity in the world.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This ancient structure was built by a mysterious civilization that was largely destroyed by a volcanic eruption.

The only castle in North America to ever house European sovereigns.