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

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

This marker identifies the location where three states converge.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.

This roadside park filled with unusual statues is on the grounds of an abandoned railway station.

This historic cliffside mansion uses a natural cave for air conditioning.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Legends surround this jagged rock formation in the New Mexico desert.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

The location where the iconic movie character declared it was time to go home.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Roaming bison and a spectacular view at the highest point in Nebraska.

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

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

Metal sculpture folk art lining the Kansas Highway.