This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

This record-setting hydraulic dam in the Montana badlands was one of FDR's most ambitious public works.

This historic national park is covered in the stunning ruins of red rock pueblos.

Most-visited and most-photographed slot canyon in the American Southwest.

A river runs through this remote valley in a very unexpected way.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.