Perhaps the most scandalous statue of America's first president.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

This one-room cabin where the young colonel slept during the French and Indian War.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

A world-class observatory in the California desert.

This mysterious petroglyph evokes the ancient swastika symbol but was later vandalized with the more troublesome Nazi one.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Ancient pueblos built into the base of a natural canyon wall.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

See massive fossils that are over 200 million years old in northeastern Arizona.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

It houses the remains of a 17th-century version of the Titanic.

The prototype for all Nazi concentration camps.

A striking symbol of the Bulgarian capital.