Gigantic Romanian salt mines used to heal respiratory conditions.

The Natural History Museum that time forgot.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

A medieval church built up to defend its village.

The prototype for all Nazi concentration camps.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

This one-time health resort was used by aristocrats around the world.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

The most confusing clock in New York.

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

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

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