This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

This embalmed man is one of the best preserved mummies from the Canary Islands.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

A temple to modernity, tucked away amid Barcelona's more well known museums.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

This cemetery features modernist statues as strange as its name.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

A beautiful but toxic fountain of mercury.

This semi-secret storybook hedge maze is also the oldest garden in the city.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

The crumbling remains of a 19th century fortess.

A treasure trove of rare and exquisitely detailed antiques

An impressive collection of dollhouses and an homage to the frog-leg canning industry.

An old-timey wax exhibition campily depicting New Orleans legends and scandals.