We spend about 4 or 5 days in London just walking around and visiting the usual tourist places such as Westminister Abbey, Buckingham Palace, Koven Garden, and Harrods. The British Museum is an excellent museum with a lot of antiquities (which I enjoy looking at).
Big Ben in the background. First day in London.
Westminister Abbey.
Tower Bridge in the background.
In the British Museum standing in front of a section of the Elgin Marbles.
The reconstructed Globe Theatre.