This small, hidden cove is home to abandoned boats.

This Central New York ghost town was once a prosperous railroad community.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

The oldest surviving synagogue in New York City is now a soaring art space.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Sniff the Titan Arum's rotting flesh.

Read a book next to a Midtown waterfall.

A hip bar decorated with walls of golden skulls.

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

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

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

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

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

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

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

A terrific purveyor of natural history objects and curios.

An enormous overgrown greenhouse teeming with graffiti and wildlife.