The Royal Observatory
The home of Greenwich Mean Time and the Prime Meridian line, this is one of the most important historic scientific sites in the world. It was founded by Charles II in 1675 and is, by international decree, the official starting point for each new day, year and millennium (at the s
The home of Greenwich Mean Time and the Prime Meridian line, this is one of the most important historic scientific sites in the world. It was founded by Charles II in 1675 and is, by international decree, the official starting point for each new day, year and millennium (at the s
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