The hospital building, constructed between 1812 and 1814, was largely demolished, with the remaining central portion being leased to the government's First Commissioner of Works to accommodate the Imperial War Museum.

[5] The park's sports facilities include five-a-side football pitches, and netball, basketball and tennis courts.

[6] On 9 May 1999 a Soviet War Memorial was unveiled by the Secretary of State for Defence George Robertson, and the Russian ambassador Yuri Fokine.

The garden features a bronze cast of the Kalachakra Mandala, contemporary western sculpture, and a pillar inscribed with a message from the Dalai Lama in English, Tibetan, Hindi and Chinese.

[8] On 30 October 2004, two Araucaria araucana ('monkey puzzle') trees were planted near the park's eastern gates in memory of two Chileans who were forcibly 'disappeared' in 1974 following a military coup in Chile.