Australia
On the slopes of Black Mountain are the Australian National Botanic gardens. They are home to a variety of Australian habitats from temperate rainforest to desert plants. Admission is free (although there is a charge for parking). There are great views across the city.
There are also free guided walks twice a day.
Clunies Ross Street, ACTON
www.anbg.gov.au/anbg/
Google map: tinyurl.com/nee5p6
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