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

One of only two commuter aerial tramways in the United States.

A crumbling hospital from the 1850s on Roosevelt Island.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Final resting place of two dozen New York City harbor ships.

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

Once America's longest-manned military fort, now an abandoned hulk.

19th century cemetery hidden in Brooklyn's Prospect Park.

Oldest surviving example of a Dutch saltbox frame house in America.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The home of aviation trailblazers, in a remote corner of the big city.

Waterway populated with abandoned projects, including a submarine.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

World's first "penitentiary," meant to be humane, drove men insane.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

An enormous, inside-out glass globe built in 1935.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

One of the largest underground systems runs under Canada's largest urban center.