Owens Valley Radio Observatory - An array of radio telescopes, a solar interferometer, and other instruments are available to astronomers at this observatory, located near Big Pine, California. www.ovro.caltech.edu
Palomar Observatory - Home of the 200-inch Hale Telescope, Palomar Observatory is located on Palomar Mountain, halfway between Los Angeles and San Diego. astro.caltech.edu/observatories/palomar