The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Two distinctive homes on a New England village green look like a couple of frosted wedding cakes.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

The abandoned medieval theme park was meant to be the "Disneyland of the Philippines."

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

This public space is speckled with the eerie remnants of a defunct amusement park.

Hike the ruins of a zoo that was shut down by an unsolved murder.

The remnants of a luxurious resort that saw its peak in the 1970s and 1980s has been abandoned since 2009, leaving behind the wreckage of both the hotel and a beautiful ice skating rink.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

The site of the Andover Witch Hunts, which ended with more witch accusations and arrests than Salem.

An artifact taken from one of America's shortest wars.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

Once the largest public hospital for the mentally ill was also surrounded by controversy.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

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