Sussex Drive city hall on Green Island, which includes Earnscliffe, and a number of prominent embassies such as those of France, Japan, Saudi Arabia and the United States. Other landmarks along Sussex are Major's Hill Park, the National Gallery of Canada, the Former Geological Survey of Canada Building, the Royal Canadian Mint, Rideau Falls Park, the Peacekeeping Monument, the National Laboratories, the Connaught Building, the John G. Diefenbaker Building, the Lester B. Pearson Building which is home to Foreign Affairs Canada, and the Archives of the Dominion Building, which is home to the Global Centre for Pluralism, and 700 Sussex Drive, a
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