A series of five defunct panopticon prisons in Cuba.

An easy to overlook storefront hides some of the most authentic and regionally diverse Chinese food in New York.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Reverend Jen's unique museum/living room showcases her troll collection.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

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

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

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

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

Made by a man on a worldwide sanitation crusade.