Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

An early 20th-century bullring converted into a modern shopping center.

The largest and most famous wax anatomical collection anywhere in the world.

These temples are among the oldest free-standing stone buildings in the world.

A centuries-old forgotten underworld lies beneath Malta.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

The heaviest gold coin ever minted.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

The video game-themed street art first popped up in the French city.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

Egyptian Revival movie palace abandoned for decades and restored in 2013.

Indents in the pavement are all that remain from a grisly death machine in Paris.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

A ruined castle has more than its fair share of legends and ghost stories.

These medieval tunnels provided water to the city above through centuries of civil war and plague.

These planks were originally installed to hold the dead.

A historic house devoted to the teachings of a 1700's prophetess and her mysterious box of revelations.