National Maritime Museum, London (must see)

The National Maritime Museum (NMM) in Greenwich is the leading maritime museum of the United Kingdom and may be the largest museum of its kind in the world. The historic buildings forming part of the Maritime Greenwich World Heritage Site, it also incorporates the Royal Observatory, Greenwich, and 17th-century Queen's House. The museum is a non-departmental public body sponsored by the Department for Culture, Media and Sport. The Museum has the most important holdings in the world on the history of Britain at sea comprising more than two million items, including maritime art (both British and 17th-century Dutch), cartography, manuscripts including official public records, ship models and plans, scientific and navigational instruments, instruments for time-keeping and astronomy (based at the Observatory). The Museum awards the Caird Medal annually in honour of its major donor, Sir James Caird. The museum was officially established in 1934 within the 200 acres of Greenwich Royal Park.