Golden Gate Bridge turns 75
A man looks at the USS Nimitz supercarrier as passes under the Golden Gate Bridge during the 75th anniversary celebration of the Bridge in San Francisco on May 27, 2012. UPI/Mohammad Kheirkhah
A man looks at the USS Nimitz supercarrier as passes under the Golden Gate Bridge during the 75th anniversary celebration of the Bridge in San Francisco on May 27, 2012. UPI/Mohammad Kheirkhah