A tunnel with windows, so you don't miss out on the impressive views.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

The site of a tragic massacre that spawned a multimedia franchise.

A mysterious collection of stones stand outside a small New England town.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

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

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

America's first public mental health facility.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

Explore the dark underground corridors of this graffiti-covered former military fortification.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

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

The house and graveyard used in the Stephen King spine-chiller.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

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

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

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