The "I-4 Eyesore" is one man's dream that has stood incomplete for over 20 years

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

North Dakota's smallest store only has tiny items.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

This towering wooden Sasquatch was carved with a chainsaw.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

Despite monuments in other locations, this spot in a South Dakota field is recognized by the U.S. National Geodetic Survey as the center of the 50 states.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

Ever wanted to can Spam?

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

Water still flows through the oldest Spanish aqueduct in America.

Three hundred years of preserved Spanish colonial history in San Antonio.

This big empty pig is a nostalgic throwback to mid-20th-century Texas barbecue.

This 36-foot-tall bronze Lady Liberty holds a real flaming torch.

This ranch house in Jackson's Elraine neighborhood was home to the civil rights icons and the site of a shocking assassination.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

The birthplace of a tobacco empire.

Visit the site where the original Krispy Kreme doughnut was made back in 1937.

This metal disk commemorates the birth of a historic American holiday.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.