The Golden Gate Bridge was constructed by Joseph Baerman Strauss, the chief engineer that was ahead of his time, when it was believed that "no one can build a bridge over the Golden Gate" because of insurmountable difficulties, he had a dream of building a bridge across the Golden Gate.

The Golden Gate Bridge links San Francisco with Marin County the 1.7 mile-long suspension bridge completed on Thursday, May 27, 1937 when Franklin D. Roosevelt was the President. San Franciscans joined other thousands in walking across the newly opened Golden Gate Bridge, all together a huge throng of approximately 200,000. The next day the cutting of a ceremonial barrier, after which an official cavalcade of automobiles traversed the span. The Golden Gate Bridge can be crossed by car, on bicycles or on foot. It took more than four years to complete it, at a cost of $35 million dollars. It dimensions are: 4,200-foot long, with two suspension towers of 746 feet (224m) tall, that supports the Golden Gate Bridge's suspension cables that are smaller at the top than at the base; These two cables are 361/2 inches in diameter, the largest bridge cables ever made. Each cable is 7,659 feet long and contains 27,572 parallel wires, enough to encircle the world more than three times at the equator. It crosses the Golden Gate Strait which is about 400 feet deep.