sydneySydney 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, likeSydney Harbour National Park is a national park scattered across Sydney Harbour, Australia. First gazetted in 1975, it's one of many national parks within metropolitan Sydney, renowned for its sheltered beaches, tranquil picnic