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

Nondescript elevator doors open to reveal a stunning, surreal world.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

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

Sniff the Titan Arum's rotting flesh.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

New York City's smallest piece of private property.

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

Read a book next to a Midtown waterfall.

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

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Elevated freight railway turned wildly successful urban park.

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

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 terrific purveyor of natural history objects and curios.

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

Now home to hardy plants, these sand and gravel dunes once held back a massive prehistoric lake.

This classic steam-powered train takes tourists on a nostalgic trip around the Connecticut River Valley.

A museum dedicated to antique toys, collectibles, and nostalgia.