One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

In the middle of suburban Staten Island, a nearly 150-year-old bakery is preserving the art of a disappearing New York treat.

A town trapped in time - 1958 to be exact.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

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

A crumbling hospital from the 1850s on Roosevelt Island.

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

This "volcanic all-day restaurant" is right on the beach.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

A psychedelic labyrinth on the San Francisco bay.

An important piece of history from mankind's journey to the moon sits in the lobby of a government science lab.

A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

This surreptitious shop is only open five hours per week.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

The remains of a 12th-century chapter house in Golden Gate Park.

Half of a house.

27-room home built with the fortune of a sugar magnate.

This print shop boasts one of the largest pinball arcades in San Francisco.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.