San Francisco, California has a population of approximately 778,000 people. Probably best known for it's trolley cars and very steep hills, other major attractions include Fisherman's Wharf, Alcatraz, Alamo Square, cable car museum and rides, Chinatown, Ghiradelli Square, the Golden Gate Bridge and park. Also in San Francisco is Haight-Ashbury, where a lot of the hippie culture in the 1960s gravitated. The oldest structure in San Francisco, Mission Dolores; and fine arts venues. San Francisco also offers the Exploratorium Science Museum, Paramount's Great American themed amusement park; and the Winchester Mystery House, Sports teams from San Francisco and surrounding areas include the San Francisco 49ers (football), the Oakland A's (baseball), the San Francisco Giants (baseball), the San Jose Lasers (women's basketball), the Oakland Raiders (football), the San Jose Earthquakes (soccer), the San Jose Rhinos (roller hockey), the San Jose Stealth (lacross), the San Jose Sharks (ice hockey), and the Oakland Skates (roller hockey). For visitors looking for participation sports, San Francisco offers hiking, swimming, camping, golf, horseback riding, parks and tennis courts