San Francisco, in northern California, is a city on the tip of a peninsula surrounded by the Pacific Ocean and San Francisco Bay. It's known for its hilly landscape, year-round fog, iconic Golden Gate Bridge, cable cars and colorful Victorian houses. The Financial District's Transamerica Pyramid is its most distinctive skyscraper. In the bay sits Alcatraz Island, site of the notorious former prison. San Francisco is one of those cities that need no introduction; like Hollywood and New York, this city already enjoys international renown for everything from sightseeing to shopping to entertainment. Popular San Francisco attractions include fine museums, theaters and destination neighborhoods like Chinatown,  Union Square, and Fisherman's Wharf.