The Oro Copia (also known as the Dos Palmas) is an old mine in the heart of the Orocopia Mountains. It was discovered in 1892 by Edward Fish, his son G. B. Fish, and C. O. Barker (of Joshua Tree Dam fame). The ore body was reported to be quite rich with gold, and they quickly erected a two-stamp mill down at Dos Palmas Spring.
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Corn Springs Petroglyphs and the Little Chad Cabin

Canebrake Skeleton Pictographs
Hidden in a granite rock shelter near an ancient Kumeyaay village site is a unique set of pictographs. Most of these pictographs are typical of the La Rumorosa Style, but what is unusual here are the skeleton figures. I have not seen them anywhere else in the Kumeyaay territory.

Palen Tank Petroglyphs
I recently followed an ancient Native American trail out to a water tank and petroglyph site. What got my attention to this site was the report of historical inscriptions and the fact that it is way off of other Native American trails I knew about.