The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

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