The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

New Preston and Kent, Connecticut - where Friday the 13th, Part 2 was filmed.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

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.

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

250-year-old farm now features sculptures, a petting zoo and a hippy-bazaar.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

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

Ruins of a historic medical facility sits eerily by the water.

American artist J. Alden Weir purchased this 60-acre estate for $10 and a painting.

Home of Philip Johnson, one of the 20th century's most influential architects.

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

A serene plaza that commemorates one of the Granite State's most iconic figures.

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

Even Henry David Thoreau found this glacial pothole irresistible.

The Hudson River School comes alive at this palatial estate.