The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

The first American axe throwing club.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

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

Collapsing castle on the Hudson river was once the storage site of military surplus business.

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

This abandoned ironworks was once the most important military supplier in America.

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

Despite not growing anywhere near New York City, bananas are ripened in a pressurized room in the Bronx using precise banana science.

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

Pennsylvania's own Roswell-style UFO mystery.

A museum dedicated to the alleged Roswell Incident.

Annual celebration commemorating the 1965 sighting of strange lights in the town.

An abandoned castle owned and ignored by Masons carries a cursed history.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

A wunderkammer hidden on the top floor of the Hartford statehouse.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

An abandoned asylum where patients have been forgotten but their possessions remain.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.