Aiken's Wash is located in California

Aiken's Wash is an archaeologically and geologically significant wash located in the Mojave National Preserve in San Bernardino County, California. The wash includes several pictograph and petroglyph sites dating from the late pre-Columbian period. The proximity of pictographs and petroglyphs is unusual in the Mojave Desert region. The area was added to the National Register of Historic Places as the Aiken's Wash National Register District. The district comprises 1,450 acres (590 ha), including all major archaeological sites in the wash.

• http://en.wikipedia.org/wiki/Aiken's Wash