Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

Nature's biggest mammal swims in landlocked Oklahoma.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

The world's only museum devoted solely to the art and collection of action figures.

European castle ruins in an American state park are actually the product of death and grief.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

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

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

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

A diverse, expansive nature preserve in northeastern Kansas.

The quirky collection includes treasures like Elvis' underwear, Bob Barker's toothbrush, and hundreds of sock monkeys.

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

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Step back in time at this 1950s display home, built to showcase once cutting-edge electric amenities.

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

Massive still life just off the highway in Kansas.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.