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8 of the most colorful 'painted' hillsides in the world

Catherdral Rock Vortex in Red Rock State Park

Photo: Geoff Livingston/Flickr

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Red Rocks, Sedona, Ariz.

Majestic red sandstone formations rise out of the desert in spectacular Sedona, Ariz., and appear to glow in orange and red during sunrise and sunset. The formations are so mesmerizing that New Age spiritualists flock here, drawn by the region's supposed "vortices," areas of "harmonic convergence" that the red rocks are said to manifest.