Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A museum in rural Utah documents the history of the Japanese Americans who were forcibly relocated there.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.