Sand to Snow National Monument is a U.S. National Monument located in San Bernardino County and northern Riverside County, Southern California.
Castle Mountains National Monument is a U.S. National Monument located in the eastern Mojave Desert and northeastern San Bernardino County, in the state of California.
Castle Peaks (Mojave National Preserve) as seen from Castle Mountains National Monument
Castle Mountains NM and other newly declared National Monuments, 2016