Travelers are voting Heysen Tunnels, Adelaide Festival Centre and Adelaide Convention Centre as the best of 18 key buildings in Adelaide. There are 1 key building in Murray Bridge a city just 40 km from Adelaide and 1 key building in Victor Harbor which is 42 km distant. The most popular of these are Swanport Bridge in Murray Bridge and Starfish Hill Wind Farm in Victor Harbor. You can find 21 key buildings in South Australia and 404 key buildings in the country of Australia. Our members favorite in South Australia is Heysen Tunnels and Sydney Opera House is the top pick in Australia. Want more? Check out our map of key buildings in Adelaide.