Hidden among the trees at the Rangeley Lakes Trails Center are more than 20 gnomes in small wooden houses.

Trinkets and toys lovingly handmade by maximum security prisoners.

Three acres of mythology-inspired sculptures are visible from the highway.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

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

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

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

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

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

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

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

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

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

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

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

The first and only carousel with a lineup entirely of insects.

Unlock the secrets of the conjuring arts.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.