Bowl in splendor, if you're lucky.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

This abandoned subway station can still be seen on regular commuter trips.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

One of the last Jazz Age "Wonder Theaters" in New York City.

An unassuming secret door once led to a legendary watering hole.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

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

The "Seinfeld" diner.

Ride the subways of yesteryear.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

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

A semi-scholarly approach to sex.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Secret Swing.

A miniature representation of Canadian cities and landmarks in incredible—and sometimes hilarious—detail.

A space-age 1950s pavilion on a secluded path is full of Toronto history surprises.

A former Canadian Pacific Railway station turned liquor store, the first and only station in Canada visited by British royalty.

An abandoned 1970s theme park that has been turned into a space for waterfront walking.

Along with his smaller donkey pal, he guards the museum’s exhibits and memorabilia.