Madame Tussauds
Madame Tussauds is a world-famous waxwork museum, best known for its Grand Hall, with a collection of international royalty, statesmen and world leaders. Visitors generally report that the entrance fee does not warrant the selection of waxworks on show, which rarely resemble cele

Madame Tussauds is a world-famous waxwork museum, best known for its Grand Hall, with a collection of international royalty, statesmen and world leaders. Visitors generally report that the entrance fee does not warrant the selection of waxworks on show, which rarely resemble cele
Check the official site before travelling; hours and prices can change.
More museums

Sir John Soane's Museum
Free, tiny, deranged — Soane's own house preserved exactly as he left it in 1837.

The Wallace Collection
Free national museum in a Manchester Square townhouse — armour, Boucher, the Laughing Cavalier.

The British Museum
Free, vast, civilisationally heavy — go for one room, not all of them.
Source: wikivoyage