The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

In Washington's Yakima Valley lies a town "where dinosaurs roam."

A stunning landscape of bunkers that once stored chemical weapons.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

Nuclear reactor created the plutonium used on Nagasaki.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.