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

A huge resale shop for the cast-offs of the film & television industry.

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

A temple belonging to the largest Buddhist order in South Korea nestled in the middle of New York City.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Final resting place of Typhoid Mary.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."

This mysterious marker puzzles pedestrians and infuriates geographers.

Seriously good slices of Sicilian pizza lurk at the back of the Bronx's oldest enclosed market.

A Wisconsin kitsch palace from the 1930s lives its second life in 21st-century Brooklyn.

The oldest pastificio in Queens offers visitors fresh noodles and a peek inside the macaroni-making magic.

Come for the waffles, stay for more waffles.

Here, exhibits come with a side of edible history.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

Finally, you don't have to be a pious Swedish seaman to relax like one.

This neighborhood grocery houses a treasure trove of Eastern European delights.

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

Nikola Tesla's former home contains an homage hidden from plain sight.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

Inside a former cabaret, seven floors of erotic art.