Tower Bridge

photo credit Anirudh Koul

The Tower bridge spans the river Thames linking the London boroughs Tower Hamlets and Southwark. The bridge, a combination bascule and suspension bridge, opened in 1894.

Golden Gate Bridge

photo credit ping ping

The Golden Gate bridge spans the Golden Gate strait, connecting the city of San Francisco to Marin County. Construction of the bridge began in 1933 and was completed in 1937 at a cost of $903 million. At the time of it's completion it was the largest suspension bridge span in the world. It remains the second largest suspension bridge span in the United States.

Brooklyn Bridge

photo credit Adorenomis

5,989 feet (1825 meters) long, the Brooklyn bridge spans the East River connecting Manhattan and Brooklyn. Opened in May 1883, the Brooklyn bridge is one of the oldest suspension bridges in the United States.