Modern Marvels — Episode 2: Tower Bridge

You are watching the episode Tower Bridge Join us as we span the history of one of the world’s most famous bridges, London’s Tower Bridge. The world’s largest bascule bridge (a counterweighted drawbridge), when it was erected in 1892, it became a postcard image of London. The famed gothic towers of this pioneering steel structure, sheathed in stone, are purely decorative.