Haight Ashbury district is famous for it's eclecticism, hippies, and unique shops and people. Tons of vintage and consignment clothes stores to explore, some good food, and of course Ameoba music store.
This street is always busy so don't expect to find parking very easily. I usually park in the Mcdonalds at the end of the street by Golden Gate park, walk inside the place, and walk out the other side to the street. The signs posted say McDonalds customers only, 40 minute limit, but I've never stayed for more that an hour or so and haven't gotten towed yet. Busy days they do check though, yesterday I saw a clipboard and chalk man as I was leaving. My tire had chalk on it, close call there!
That said, wander and people watch, come back with a funky souvenir, and very likely get offered some pot. Enjoy!
The Haight-Ashbury district is noted for its role as a center of the 1960s hippie movement. The earlier bohemians of the beat movement had congregated around San Francisco's North Beach neighborhood from the late 1950s. Many who could not find accommodation there turned to the quaint, relatively cheap and underpopulated Haight-Ashbury. The Summer of Love (1967), the 1960s era as a whole, and much of modern American counterculture have been synonymous with San Francisco and the Haight-Ashbury neighborhood ever since.