L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

One of the largest trees of its kind in California.

North America's largest accredited model railroad museum.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

A few times a day, you can see an animatronic cowboy shoot-out.

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

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

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

Once the smallest park in the national system.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

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

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

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.

This beacon for pre-radar pilots once guided Charles Lindbergh to a safe touchdown in Tulsa.

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

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

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

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