The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The "Seinfeld" diner.

The legendary court where emerging basketball players gain their street cred.

You must take the A train... to the last active cemetery in Manhattan.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

A living antique aviation museum in the historic town of Red Hook, New York.

Adherence to strict Jewish laws is required to enter this ultra-conservative New York village.

"A hideous albatross in the Hudson River Valley."

The oldest continuously inhabited street in America.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

At this small shop off a dirt road in the forest, the specialty is eel the owner caught and smoked himself.

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

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

Oldest existing wire suspension bridge in the United States.

The largest known open fault in the United States is basically a giant natural refrigerator.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

The lost town of Neversink, sunk by New York City.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.