A historic custom house with ties to George Washington is now a shrine to local nautical history.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

Once considered the height of medical modernity, this structure is now the oldest remaining component of Roosevelt Hospital.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

Red frames showcase remnants of one of New York's original subway stations.

A dilapidated dock tells the story of Titanic's missed arrival.

Wine bottle sculpture with a ship's stateroom inside.

The notorious headquarters of a corrupt political machine.

Nope, not Washington Irving's house.

The place where Dvořák composed some of his most famous works.

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.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

No monkeying around, this fountain was really named after the classic sci-fi film.

This vacant church in the Financial District was once the heart of New York's first Syrian immigrant community.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

A well-worn marker in a forgotten alleyway is all that remains of what had been one of Manhattan's most beautiful buildings.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

A sculptural commentary on capitalism pokes up from the East River.

One of only two commuter aerial tramways in the United States.

Site of the first pathological and bacteriological research facility in the United States.

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

A crumbling hospital from the 1850s on Roosevelt Island.