Image 1. Rocks and Cholla cactus in Joshua Tree National Park
Image 2. Redstone desert, Lake Mead Nat'l Recreation Area
Image 3. Cliffs in the Chiracahua Mountains, Arizona. The yellow color is due to a lichen.
Photograph by Sylvia Sharnoff
Image 4. The boojum tree, Idria columnaris in Baja California
Image 5. One of the Channel Islands off the coast of southern California
Image 6. The Grand Canyon from the South Rim
Image 7. Sunrise over the high desert, northeastern California
Image 8. Rock slope, Zion National Park
Image 9. The Sonoran Desert, Arizona, with lichen-covered rocks
Image 10. Mudflat and shrubs, northeastern California
Image 11. Mudflat and shrubs, northeastern California
Image 12. Rocks, Joshua Tree National Park
Image 13. Joshua Tree National Park
Image 14. Landscape near Moab, Utah
Image 15. Cliffs in the Chiracahua Mountains, Arizona. The yellow color is due to a lichen.
Image 16. Cholla cactus at dawn, Arizona
Image 17. Rocks, Joshua Tree National Park
Image 18. Sonoran Desert, Baja California
Image 19. Joshua Tree desert
Image 20. Zion National Park
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