Vermilion Cliffs National Monument, AZ / BLM Erosion sculpted boldly patterned striated sandstone with flowering snakeweed, Gutierrezia sarothrae, on Arizona's Colorado plateau. 1008V4

Vermilion Cliffs National Monument, AZ / BLM Erosion sculpted striated sandstone with round concretions strewn in geometric patterns on Arizona's Colorado plateau at dawn.1008V3