Located high in the Santa Rita Mountains above Amado, Arizona, the Fred Lawrence Whipple Observatory is the largest field site of the Smithsonian Astrophysical Observatory, and a part of the Center for Astrophysics | Harvard & Smithsonian. Established in 1968 in the hunt for evidence of gamma-rays, Whipple Observatory is now home to 30+ telescopes, including the 6.5m MMT, which is currently the 14th largest optical telescope in the world.