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

A hands-on traveling collection of the innovative devices of yesteryear.

A legendary speakeasy bookstore returns from the brink.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

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

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

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

A miniature rainforest is growing inside of a Midtown Manhattan office building.

New York's oldest magic store.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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