Guerilla gardeners reclaimed this abandoned railroad land literally putting down roots.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.

A carriage house converted into what resembles an 11th-century English manor house

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

A controversial magical figure is hidden within a diorama of the city.

A historic Black graveyard hidden in the parking lot of one of America's largest malls.

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

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

Once a dumping spot, now a park with a kayak launch.

A strip of modern stores in historic buildings.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.

The only remaining building in New York to see the inauguration of a president is being slowly overtaken by a grocery store.

At this farm in upstate New York, the former president plotted his reelection campaign.

A monument to the military service of America's greatest traitor refuses to even name him.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

Retribution for death of infamous mob boss Franie Yale was a case of mistaken identity.

This forgotten graveyard in rural New York State once served a pioneering hospital.

An upstate New York garage advertises its services by literally putting the automobile above all else.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

This abandoned artificial island off the coast of New York City is now home to dozens of harbor seals.

These small stands sell Malian snacks to worshippers and passersby after Friday prayers in Harlem.

This Upper East Side apartment co-op was designed as a tuberculosis sanitarium.

The pioneering photographer's prints are immortalized inside her childhood home.