A large collection of petroglyphs adorn the walls of Petroglyph Canyon. Photo taken 5 November 2010.
The handprints etched here may act as a sort of signature of the artist. The meanings of many petroglyphs remain unknown. Photo taken 5 November 2010.
Complex patterns and striations cover the rocks at the Calico Basins 1 Trail in Red Rock Canyon National Conservation Area outside of Las Vegas, Nevada. Photo taken 7 November 2010.
