World's Most Looked at Bridge - -"Saga" the Swedish liner passing through Tower Bride. It will be seen that when large vessels pass the roadway of the bridge have to be raised to their fullest extent. Tower Bridge is not be tallest or the longest in World, but it could surely claim to be the most "Looked At" bridge in the world. Millions of visitors to London, stand on London bridge but they go there to look at tower bridge. Built by the city of London corporation and opened by King Edward VII ((then Prince of Wales) in 1894. It is the first bridge oveli the thames and with its huge cascules is probably the largest lifting road bridge in the world, and the one thing a visitor to London must not miss, is to see tower bridge go up. January 01, 1947. (Photo by Barratt's).