In addition to the huge number of theaters and museums, there are the places of worship like the Tower of London, Westminster Abbey, Tower Bridge, Big Ben, the famous London Eye wheel viewing and many other interesting places.
I'll tell you about the two sites.
Most mysterious attraction of England is Stonehenge, the famous prehistoric building of huge boulders. Stonehenge is one of the most mysterious places on the planet Earth
England is famous for its cathedral, one of the most prominent of which is the Winchester Cathedral in Hampshire, one of the best examples of English Gothic.
For true connoisseurs of tradition, history and architecture in England there is a myriad of interesting places for a visit which could take several months.