Sydney Sightseeing Tours, Events & Attractions from Viator. Find and book all the best activities and things to do in Sydney, including: Activity Tour, Adventure Tour, Air Tour, Aquarium, City Pass, City Sights Package, Day Tour, Dinner, Diving, Extended Cruise, Extended Tour, Jet-boat ride, Musical, Nature, Night Cruise, Night Tour, Overnight Tour, Sightseeing, Sightseeing Cruise, Skiing, Transfer, Wilderness Package, Wildlife, Wine Tour.......click here