The oldest building in San Francisco, Mission Dolores de Asis still holds mass and provides visitors with a window into the European colonization of San Francisco - still with working bells!
Nearby Dolores Park and the Mission District provide additional earthly pleasures.
Address: 3321 16th St, SF, CA
Website: http://www.missiondolores.org/
Wikipedia: http://en.wikipedia.org/wiki/Mission_San_Francisco_de_As?