Travelers are voting Golden Gate Bridge, San Francisco Ferry Building and Oakland Bay Bridge as the best of 64 key buildings in San Francisco. There are 20 key buildings in Pleasanton a city just 30 km from San Francisco and 11 key buildings in Los Altos which is 30 km distant. The most popular of these are Golden Gate Bridge in Pleasanton and San Mateo - Hayward Bridge in Los Altos. You can find 169 key buildings in California and 2813 key buildings in the country of United States. Our members favorite in California is Vincent Thomas Bridge and Independence Hall is the top pick in United States. Want more? Check out our map of key buildings in San Francisco.