Timothy Leary addresses a crowd of hippies at the "Human Be-In" that he helped organize in Golden Gate Park, San Francisco, Calif., Jan. 14, 1967. Leary told the crowd to "Turn on, Tune in and Drop out". The event was a prelude to the "Summer of Love", which brought the hippie experience into the American mainstream (AP Photo/Bob Klein)
The celebration for the 50th annual Summer of Love begins tomorrow at the de Young Museum: The experience will immerse you into the psychedelic world of San Francisco circa 1967: the posters that lined Haight-Ashbury and the fashion of the day will take you back to that defining era. The big concert planned for this summer is still under cosideration by the Parks Department.