An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

Secluded amid upstate New York’s Adirondack Mountains lies this subterranean emblem of a nation on the brink of nuclear war. And it's for sale.

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

This roadside dinosaur park offered up lumpy neon thunder lizards in the name of kitsch and education.

Possibly the smallest church in the world floats in the middle of a pond.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

This decrepit abandoned building is made all the more eerie by its dark history.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

A long abandoned hospital building on the outskirts of NYC.

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

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

This derelict building used to house infirm Freemasons, their widows, and orphans.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

A formerly abandoned mental institute, now back in business.

The kind of mixed-up place that drives archaeologists crazy.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This abandoned factory on the Hudson River once churned out a million bricks a week.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.