This interactive gallery makes you feel like you've stepped into a fantasy world filled with whimsical monsters.

Have a steam and some blini at this cafe in a century-old bathhouse.

Salute the leader of the proletariat.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

Ride the subways of yesteryear.

Every animal in the torah taxidermied and crammed into a Brooklyn townhouse.

A hidden architectural treasure in New York's Brooklyn.

The world's only museum devoted to the wonders of fluorescence.

The attic of a four-century-old canal house hides a clandestine church.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

An unconventional space for art and science housed in a massive old warehouse.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Dine on dumplings at the oldest dim sum restaurant in New York.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

A Bibliophile's Dream.

A speakeasy takes on Chicago's drinking culture.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

Protecting the dead from opportunistic body snatchers.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

These tiny effigies are believed to represent victims of Edinburgh’s notorious Anatomy Murders.