The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Only museum in the world devoted to bookbinding and book arts holds a permanent collection representing five centuries.

Picnic on the seashore in the footsteps of ancient kings, protected by giant mythical cat beasts.

One-room museum dedicated to India's most enigmatic mathematician.

This precariously balanced boulder is said to be a hunk of stolen butter dropped by the gods.

A once-stately trading fort is now a ruin slowly being consumed by the sea.

A centuries-old lookout post still sits atop a natural stone spire.

World's first "penitentiary," meant to be humane, drove men insane.

The hottest place on the planet.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

An extraordinary "City of Caves" carved from solid stone.

World's most expensive home.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

A mecca for India's Jains.

This elaborate hole in the ground was built as a sacred site for an ancient civilization.

For hundreds of years, participants in this Japanese festival have been making babies cry to ward off demons.

Ruins of a once-prized railroad station in New York.

The seat of Buffalo government is a gorgeous Art Deco palace.

Large Hadron Collider and the Birthplace of World Wide Web.

A Texas-sized particle collider that was abandoned due to its Texas-sized budget.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

An ancient Chinese temple where even the emperor dressed like a farmer in the name of the harvest.