The largest cattle market on earth holds live auctions open to the public every week.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

World's smallest skyscraper, the product of a remarkable con.

These pretty kitties killed and ate as many as 135 railway workers.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Three historic trains run on a half-mile track that features a tunnel.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

This massive marble memorial was built bit by bit either out of devotion or spite, but at the expense of the surrounding town.

The first home of the doomed aviator Amelia Earhart.

This seemingly charming home memorializes and honors the victims of a century-old unsolved murder.

Before its closure in 2002, this South Dakota mine was the largest and deepest gold mine in Western Hemisphere.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

This towering wooden Sasquatch was carved with a chainsaw.

One of the largest private collections of fossils in the world.

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

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A relic of roadside lore and perhaps the first of its kind in North America.