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

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

These otherworldly limestone formations jut out from the Kansas prairie.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

Stories of sightless fish and ghostly cowboys are only a fraction of the legends surrounding this Kansas sinkhole.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

A diverse, expansive nature preserve in northeastern Kansas.

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

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

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

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

The longest of the four remaining covered bridges in Missouri.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

The only mill in the state that features a covered bridge.

An underground river pushes more than 200 million gallons out of this Missouri spring every day.

When Joseph Marconnott died, he had a unique final wish: to be mummified and put on display.

Some of the oldest exposed rock formations in the United States.

First crafted during the 19th century, the mill was fully restored in 1983.

A 40-foot waterfall flows into this unique natural swimming hole.

From a canyon-like gorge, more than 20 million gallons of water emerge every day, while a smaller spring drips down, creating the illusion of an endless, gentle waterfall.

This ambitious restaurant celebrates the culinary traditions of the Ozarks before 1870.

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

A commemoration of over 150 of St. Louis's favorite sons and daughters.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.