10. Greenwich

Greenwich is a famous district in the eastern part of London. Tourists either take a Thames boat ride there or go by the Dockland's Light Railway. Greenwich is famous for British naval history.

The National Maritime Museum shows exhibits from a time when Britain was the world's biggest sea power.

The Royal Observatory has a planetarium and a museum with a display of astronomical and navigational instruments. The prime meridian of the world goes through the observatory. It divides the world into an eastern and western hemisphere .

Greenwich and the National Maritime Museum
Image: Gryffindor, CC BY-SA 3.0,
via Wikimedia Commons