Here’s the secret of Navajo National Monument. If the hike to the Betatakin cliff dwellings ended at a big blank wall, it would still be worth going. The canyon is beautiful and peaceful with the ...
For years, the parched, mountainous wastelands of the Colorado Plateau were known for their scattering of dinosaur bones and the ruined homes of prehistoric cliff-dwelling Indians. But now the area is ...
CC0 Usage Conditions ApplyClick for more information. Annotations in ink on back of the two petroglyph photos say, "Yaqui River, Sonora, Mex. see letter Guillermo Revilla" and "Yaqui River Sonora.
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