Take a tour of Golden Gate Bridge in San Francisco, United States -- part of the World's Greatest Attractions series by GeoBeats. The Golden Gate Bridge is one of the most iconic bridges in the world. Joseph Strauss designed the bridge to connect San Francisco to the tip of Marin County. It was completed in 1937 and was the longest suspension bridge in existence at that time. The bridge was an enormous undertaking at the time, taking five years and eleven lives. The bright red color of the Golden Gate Bridge originally comes from the sealant used. Here's an unbelievable statistic - nearly 2 billion cars have crossed the bridge so far. Impressive on its own, the striking surroundings and weather of the area make the bridge mythic. There are many viewpoints and activities around the bay from which locals and visitors experience the bridge. Few places in the world are as recognizable as the Golden Gate Bridge of San Francisco.