Decommissioned experimental solar facilities that pioneered solar energy technology.

A collection of anti-communist sculptures stands watch in the Mojave Desert.

This unique graffiti art from the 1940s has become a staple of this local landscape in the remote California desert.

The cluster of boulders near Fort Irwin is covered in military insignia.

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.