One believer transformed a local curiosity into proof of Vikings on the Great Plains.

When you can afford only half a road, you build only half a road.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

The final resting place and once home of the Bandit Queen of the West.

A former chicken restaurant that doubled as a speakeasy is now a quirky home full of wonderfully strange traditions.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

An acoustic anomaly with a mysterious cause.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

This humble hole-in-the-wall is home to an incredible pig ear sandwich and serious civil rights history.

The highest point in Mississippi is a hilltop that was once used to bombard a nearby town with artillery.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

A dramatically eroding canyon thousands of miles from the desert.

The body of an unidentified woman, visible through a glass coffin, was discovered by accident.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.

The remains of a foundry and old blast furnaces destroyed during the Civil War are preserved in this central Alabama park.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

This ghost town houses the remains of Alabama's old state capital.

This botanical garden has been nicknamed "Alabama's Little Corner of Greece."

This space rock fragment is one of the only meteors to have ever struck a human.