This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

The home, museum, and death site of Kodak's influential founder.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

A winding, cliffside stretch of road overlooking the Delaware River.

The first and only carousel with a lineup entirely of insects.

A decommissioned military complex that's now a modern industrial park.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

Pluto is still considered a planet in Ithaca, New York.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

Secluded amid upstate New York’s Adirondack Mountains lies this subterranean emblem of a nation on the brink of nuclear war. And it's for sale.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

A mysterious echo seems to defy the laws of acoustics.

The "Seinfeld" diner.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

World's largest herd of white deer populate a former U.S. Army depot.

A preserved factory in the "Home of the Carrousel" is now a museum dedicated to the classic wooden ride.

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

This locally-famous crevasse in New York State is icy all year round.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

An isolated beacon with a history of grisly murder and a view of some of literature's greatest inspirations.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.