An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

Three-story slide through the New Museum.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

This once luxurious Catskills resort is now a haunting ruin.

Reverend Jen's unique museum/living room showcases her troll collection.

This mouldering abandoned mental hospital was once a center for progressive healing.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

The Catskills retreat of naturalist writer John Burroughs.

Lady LeWinDa Milkzalot showcases Lewis County's dairy farming heritage and boasts an impressive rotation of seasonal outfits.

A physical catalog of ceramics made by the now-defunct Celadon Terra Cotta company.

A mosaic made of materials gathered from this Brooklyn community adorns the walls of this tunnel.

Take a trip back to the 1950s and the heyday of the road trip along Historic Route 20.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

The first commercial nuclear power plant constructed on Long Island.

A beautiful, historic location open to the public.

Where one of the worst train disasters in the country took place, leading to upgrades in rail safety.

This giant rock arrived at this quiet park thousands of years ago on the back of a massive glacier.

Hike deep into the woods to explore this Gilded Age masterpiece.