Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

An architect's childhood fantasy treehouse made real.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

This erect, phallic geological spire wasn't always named so domestically.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."

A half-size replica of the World Trade Center towers above Tulsa.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

This unusually circular centenarian barn became a Route 66 icon.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

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

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

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

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

Nature's biggest mammal swims in landlocked Oklahoma.

Destroyed by flood waters, prison now serves as a training ground for armed forces.

This former Union fort commands a fine view of downtown Cape Girardeau and the Mississippi River.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.