An image of the San Francisco skyline showing the Transamerica Pyramid and 555 California Street, as seen from the Alcatraz ferry in San Francisco Bay. The image has been enhanced using a Flood effect filter to create the reflection. The city of San Francisco is the site of over 410 high-rise buildings. The tallest building in the city is the Transamerica Pyramid. Another famous skyscraper is 555 California Street, which is the city's second tallest building and is also known as Bank of America Center.