More than a million titles fill the labyrinthine shelves of this prestigious private library.

A network of concealed passageways lies within a busy London Underground station.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A decommissioned tube carriage within a London museum hosts a regular pop-up supper club.

One of London's oldest houses contains a mixture of both old and modern features.

A kaleidoscopic warehouse-maze of handmade neon signs.

Home to some of the last true noodle artisans in New York.

New York City's only radical feminist independent bookstore.

Volunteer-run library dedicated to exploring five decades of activism history.

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

Bowl in splendor, if you're lucky.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

An arcade packed with a rotating collection of unique independent video games.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Nondescript elevator doors open to reveal a stunning, surreal world.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Become a prohibition rebel.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

More gold than anywhere else, ever.