Color wanes to the west as the Canyon descends into blue twilight

A photographer (in red) captures the sunrise near the Grand Canyon Village

Sunset Glow in the west lights up a ridge over the Grand Canyon

Midnight Grand Canyon: colorful, even by moonlight. Can you see the North Rim Lodge? Phantom Ranch?

Near Page, Arizona, the Colorado River sweeps an amazing meander on its way toward the Grand Canyon

Two brave hikers start up the knife-edge toward Angel's Landing

The half-height bluff jutting off the right canyon wall is Angel's Landing

Tree does its small part to help erode fantasy shapes in the rocks (Zion NP)

Photographers converge at dawn (Zion NP)

Canyon walls are reflected in the Virgin River near Temple of Sinawava (Zion NP)

A morning hike in the dark leads to the Canyon Overlook, and a deserted winding road below (Zion NP)

Colorful mineral deposits drew miners and Hollywood filmmakers to Paria Townsite

An abandoned log cabin has a lovely view (Cannonville, UT)

The red afterglow of sunset illuminates Kodachrome Basin SP

Pre-dawn light at Bryce Canyon NP. "Hell of a place to lose a cow."

So what if It's not a kiva? It is ancient and was rediscovered by Tom Till