An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

This giant tower beacon was a key navigation tool for pilots delivering mail amid the night skies.

A classic carnival ride that was carved to be untouchable.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

The mayor made the declaration in 2004.

Jail from the 19th century that was built by inmates.

The largest outdoor art gallery in the Northwest United States.