This unique building in the main square stands out among the city's typically Baroque architecture.

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

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A modern English garden of eccentric beasts, follies, and oddities.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

Pyramid shaped monument with a tall tale attached.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

Baroque celebration of the end of the Great Plague of Vienna.

Legends surround an ancient tree trunk riddled with nails for good luck.

Op-art architecture designed for happiness.

The beautiful baroque library of the Hapsburg empire.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."