This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

This small road tunnel is the only place where you can cross beneath the Erie Canal.

Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

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

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

The Catskills retreat of naturalist writer John Burroughs.

The purported world's shortest international bridge connects a homeowner in Canada to his backyard in New York.

A castle built for love, and abandoned due to heartbreak.

This tiny little island has, as the name says, just enough room for its single house.

This New York estate was designed to resemble a medieval Scottish castle.

A bar, burger joint, and arcade housed in a late 19th-century church building.

The home, museum, and death site of Kodak's influential founder.

An old dining hall now serves up ghost stories for lusty locals.

This local landmark is home to art galleries and the area's only community darkroom.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

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

A near tragic event on this bridge helped inspire the classic film "It's a Wonderful Life."

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

The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.

Abandoned rock quarry now a haven for mountain bikers and hikers.

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

A monument to a Polish general who fought the American Revolution and became the "Father of the American Cavalry."