« back to search results

Image 1 of 553
Next >
San Francisco, California - Transamerica Building and Columbus Tower Building.  The building on the right is also called the Sentinel Building.  It was one of San Francisco's first skyscrapers.  The green color is oxidized copper.  The base of the Transamerica building shows design features incorporated to render the building less susceptible to earthquake damage.  The Transamerica pyramid was opened in 1972.