Best known for the site of the Prime Meridian (or Greenwich mean time or GMT) from which the entire world set its clocks, Greenwich is also full of royal history having been the birthplace of Henry VIII, Elizabeth I and Mary Tudor. Situated just a few miles downstream from the Tower of London, Greenwich can be reached by train from London Bridge, Charing Cross, or Waterloo East as well as the Docklands Light Railway (DLR) from Bank/Tower Hill Tube stations. Maritime Greenwich has been designated a UNESCO World Heritage Site. Down the Thames from London, Greenwich has a number of architecturally interesting fine buildings including the Royal Navy College (designed by Sir Christopher Wren) and Inigo Jones' Queens House. In the town centre,  there are some fine examples of Georgian town houses are accompanied by several historic inns, as well as Greenwich's covered marketplace. Greenwich is known for its magnificent views across London as well as its long traditions in naval and seafaring history. The National Maritime museum and the Cutty Sark are also in Greenwich. Check out its website www.greenwich.gov.uk