Alicia walked up to the top and put a penny on the edge of one of the arched lookout windows when she was 10. Tickets to walk up to the observation deck can be purchased from the gift shop, and provides you a 360 degree view of the city, given that it's not too foggy that day.
A San Francisco Classic, mostly known for their feature on Full House. You can view them from Alamo Square Park located across the street, and is perfect for a picnic or a light stroll.