Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Enjoy a tour of oddities and makeshift monsters at this souvenir store with an offbeat sense of humor.

A Kansas grassroots sculptor decorates the local roadways with his sculptures made from found objects.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

This tiny old water tower once doubled as a makeshift jail.

This artsy public restroom is shaped like a giant john.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Away from the crowds of fishing enthusiasts, take a hike deep into the woods and journey into an eerie darkness.

At a site that has witnessed many significant events, according to the fictional Kcymaerxthaere, it is best known as the place of lunar discovery.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

The Ozarks' strangest dwelling.

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

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

A small wooden boat once owned by legendary actor Errol Flynn sits inside this Oklahoma gas station.

A large stone map of Arkansas awaits visitors to its highest point.

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

Claims to be the "World's Highest Hill."

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.