An outsider art studio that created a piece of work so popular they had to turn mainstream.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

The only completed wing of Utah's first capitol is filled with artifacts and odd stories about its past.

Dig for your own trilobites in this goldmine of invertebrates.

A shady solar power system that couldn't hold up to the harsh desert conditions.