Despite their macabre past, these hooks are said to bring good luck to those who touch them.

One of the last Art Deco gas station still standing in Dallas.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

A taste of Middle Earth, in the middle of the Bayou City.

When this test site was abandoned, they didn't even bother to take the rocket with them.

A unique collection of diving equipment spanning antiquity to the present day.

This Cold War–era fallout shelter was actually a storage facility for the nation's emergency currency.

A plaque and memorabilia collection mark where A&W got its start.

The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

Collectors keep the story of Ohio Valley glassmaking alive.

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

A retrofuturistic art installation in the Pittsburgh Airport.

This Art Deco airport was once deemed “the air hub of the Americas.”

The last remaining location of a drive-up hot dog stand named after a local pool shark.

America's post-nuclear-attack chambers of Congress.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

Mobsters came for a soak in the hot springs, and stayed for the illegal gambling and bootlegging.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

The origin of these small islands' sweet names is a local mystery.

A gothic-styled structure that has been the location for several movies.

A simple Colonial home with a past haunted by death and madness.