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

One of corporate America's best-kept secrets is also one of the most publicly displayed.

A vast collection of rare, historical, and vintage supercomputers.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

A colorful square marks the heart of the city's LGBTQ community.

Mai Tais and Navy Grog served up in one of the original tiki bars.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The former hotel where Tesla invented the radio.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

The eccentric mansion of one the most popular horror authors of modern times.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

More than a century of radio history is told in these displays.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.