This innocent-looking townhome is actually a subway exit.

Visit the site of a subway powered by nothing more than air--and lots of it.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

Off a hiking trail in Rhode Island stands a picturesque memorial to a long-forgotten war.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

This interactive gallery makes you feel like you've stepped into a fantasy world filled with whimsical monsters.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The preserved house of a jazz legend still echoes with his music.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A quick trip around the globe through an amazing miniature exhibit.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A 9-story, poured concrete structure which was used as a glue factory with an indelible smell.

The world’s largest collection of Tiffany glass sits in a warehouse in Queens.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

Wine bottle sculpture with a ship's stateroom inside.

This translucent sculpture represents a quintessential component of New York City's skyline.