This throwback amusement park is home to rides and unique storybook figures from the past.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Elevated freight railway turned wildly successful urban park.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

A natural gas leak provides a flickering flame beneath a waterfall.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Legends surround this jagged rock formation in the New Mexico desert.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Museum mostly in name, and only a restaurant depending on the day, this place could only exist in Marfa.

A 131-year-old wunderkammer of Texas history.

A modernist landscape of water and sci-fi concrete.

The longest navigable underground river in the United States is home to countless blind and albino animals.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.