Golden Gate Bridge

The Golden Gate Bridge is a suspension bridge spanning the Golden Gate strait connecting San Francisco Bay and the Pacific Ocean in California, United States. The bridge was designed by Joseph Strauss and opened to the public on May 27, 1937, and has undergone various retrofits and improvement projects since then. It was recognized as one of the Wonders of the Modern World by the American Society of Civil Engineers and is described as "possibly the most beautiful, certainly the most photographed, bridge in the world." The bridge has a main span of 4,200 feet and a total height of 746 feet.learn more on wikipedia