The Rosicrucian Order, AMORC (Ancient Mystical Order Rosae Crucis) is an international Rosicrucian fraternal organization offering a home-study curriculum in mysticism, philosophy, and the Western esoteric tradition. Its North American headquarters at Rosicrucian Park in San Jose, California, includes a museum, planetarium, and temple. AMORC traces its modern U.S. founding to 1915, under H. Spencer Lewis.