Sydney & its surroundings are blessed with incredible natural beauty which enables you to do many outdoor activates around the city for absolutely free. Here are 10 Sydney activities and icons which won’t cost you anything. I AM FREE SYDNEY WALKING TOUR I’m Free Sydney Walking Tour runs twice a day, starting from Town Hall Square on George Street at 10:30am and 2:30pm. No bookings are required, simply show up and join the tour. Tours take about two to three hours to complete.