Cozy basement bar sports an inventory of over 2,000 beers.

Lavish royal estate punctuated with heated greenhouses.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

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

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

Week-long block party becomes a competition for the best decorated street.

Mountain where Jesus was first tempted by the Devil.

This cemetery features modernist statues as strange as its name.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

Tucked in the back of this amazing antique store is an important piece of medical history.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.