The Tower Bridge is one of London 's most enduring and most famous landmarks. It is also one of the most famous bridges in the world. The bridge takes its name from the Tower of London , which is close by. The Tower Bridge is sometimes incorrectly referred to as London Bridge . The actual London Bridge is the next bridge upstream from the Tower Bridge.
At the Tower Bridge, visitors can take in spectacular views of the city and the surroundings from the walkways that are 140 feet above the Thames River . There is a regular show held inside the two tower buildings that explains the detailed history of the bridge. Visitors can also see the machinery that draws the bascules of the bridge.