The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.

An 1883 schoolhouse now home to collective of artists.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

This New York estate was designed to resemble a medieval Scottish castle.

This family-owned bakery is one of the last places in Brooklyn to sell the Nation of Islam–inspired bean pie.

Astonishing collection of helmets, scientific instruments, and medical models.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

A big shiny gin and whiskey distillery in Sunset Park.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

In Little Caribbean, an ice-cream shop serves up regional flavors, including soursop, Irish moss, and "greatnut."

This abandoned ironworks was once the most important military supplier in America.

Buffalo's abandoned concrete grain elevators are getting a second life.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

An abandoned tuberculosis hospital moulders on into an uncertain future.

A hidden bar inside an ad agency has a deliberately misleading name, so employees can stay late under pretext of paperwork.

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

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

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

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

This throwback amusement park is home to rides and unique storybook figures from the past.

The great American road trip, but smaller.

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