1. British Museum — Bloomsbury
Two million years of human history, free.
The British Museum holds treasures from every continent, including the Rosetta Stone, the Parthenon sculptures, Egyptian mummies and the Sutton Hoo helmet, under the glass roof of the Great Court.
Entry is free; pick a few galleries rather than trying to see it all.
Good to know: Use the quieter Montague Place entrance at the back.
Great Russell Street, London WC1B 3DG