One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

These pillars at the main entrance of this church are actually a hidden musical instrument.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

A rococo room covered entirely in porcelain originally constructed for another royal residence.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

These quaint French houses dangle precariously over a precipice.

A castle perched precariously over the Crimean Sea.

A historic observatory precariously perched at the "Top of Europe."

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

On a small island in the Caribbean, a statue of Napoleon's first wife has been beheaded and covered in red paint.

Eyam took steps to quarantine themselves and keep the plague from spreading.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

Artisans have been gathering in North Carolina since 1989 to show off whimsical takes on an everyday item.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

These curious caverns have been home to mushrooms, gangsters, and disco.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

In the summer, the area around this sculpture transforms into a vibrant concert venue.