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
Orielton, Harrington Park knighted, "Orielton's" windows were boarded up and some parts of the estate were used for goat farming. Realignment of The Northern Road to the east in the 1970s including a new bridge over Narellan Creek east of the previous one, led to the cutting off of "Orielton's" (south-eastern-running) main drive (towards Narellan Creek). A new extension was added, making the drive a "V" shape and joining the Northern road further north, roughly in line but to the east of the main homestead and farm management complex. The subdivision of "Harrington Park" in the 1990s for urban development has visually encroached