The area covered by the National Triangle corresponds largely with the suburb of
Parkes. Parliament House and
Old Parliament House are the most significant features within the National Triangle. Other buildings significant to the design and symmetry of the Triangle are the
High Court and the
National Gallery, located near Lake Burley Griffin, forward of Old Parliament House and to the east, and the
National Library and
Questacon located forward of Old Parliament House and to the west.
Commonwealth Place is located at the centre of the lakeshore and
Commonwealth Park and
Kings Park line the opposite shore of the lake. Other significant buildings within the precinct include the
Department of the Treasury and the
John Gorton Building. The
National Carillon, a gift from the British government which marked 50 years since the establishment of Canberra, is located on
Queen Elizabeth II Island. The
National Rose Garden is located beside old Parliament House and the
Aboriginal Tent Embassy is located in front of it.
Reconciliation Place, a monument to
reconciliation between Australia's
indigenous people and the
settler population is located near the High Court. The
National Archives and 'West Block' – old departmental offices – are located behind the Old Parliament House near Kings Avenue and Commonwealth Avenue respectively. Other government departments, such as the
Attorney-General's Department and the
Department of Prime Minister and Cabinet are located in the suburb of
Barton nearby. ==Connection with Washington, D.C., and Brasília==