The Royal Botanic Garden covers 74 acres (30 ha) in a natural amphitheater around Farmer Cove in the heart of Sydney. Founded in 1816, it is the country's oldest scientific institution and has an impressive collection of Australian, South Pacific and international plants and themed gardens. Entry is free as are the daily guided walks, leaving the Garden Shop at 10:30 am. It is ringed by The Domain, 84 acres (34 ha) of parkland popular for strolling, concerts, sports activities and open-air events. The Domain is open 24 hours a day.

rbgsyd.nsw.gov.au