National Capital Region (Canada) the Nation. Ottawa and Gatineau have a number of national museums. The most prominent museums are the Canadian Museum of History, Canadian War Museum, Canadian Museum of Nature, Canada Science and Technology Museum, National Art Gallery, Canada Aviation Museum. Some of the region's most famous buildings are the Parliament Hill, the Prime Minister's home 24 Sussex Drive, the Governor General's home Rideau Hall, the Canadian Museum of History, the National Gallery of Canada, the Supreme Court of Canada, the Royal Canadian Mint, the American Embassy and the National Library. There are 29 National Historic Sites of Canada within the National
Sussex Drive residential condo and retail complex. The most significant recent addition to Sussex Drive, having been opened on December 6, 2008, is the Delegation of the Ismaili Imamat, a representative building for His Highness the Aga Khan. Sussex was originally three different streets. The section in the Byward Market was originally named Metcalfe Street, and the portion east of the Rideau River was known as Ottawa Street. The centre portion, named for Prince Augustus Frederick, Duke of Sussex, was then known as Sussex Street. Sussex Street was renamed Sussex Drive in 1967. In the 1960s the National Capital Commission launched a