sydneyExplore the iconic landmarks, cultural venues and natural wonders of Sydney, Australia's vibrant harbour city. From the Opera House and Harbour Bridge to Bondi Beach and Taronga Zoo, discover the best things to do in Sydney.Sydney is booming with incredible beaches, parks, and landscapes that cost nothing! Not to mention a few cultural experiences that have free entry. The best free activities include: Taking on one of Sydney's many coastal walks, like