Christchurch, the largest city on New Zealand's South Island, is a vibrant and dynamic city with a unique blend of natural beauty, cultural attractions, and exciting activities. Here are some must-do things in Christchurch that will make your trip unforgettable. Visit the Botanic Gardens. The Christchurch Botanic Gardens are a spectacular attraction, with over 10,000 plant species, including rare and exotic species. You can wander around the gardens, enjoy the beautiful floral displays, or take a punt on the tranquil Avon River. Christchurch is a great city to explore by bike, with a range of cycleways and bike rental options available. There are also plenty of bike tours on offer, which allow you to see the city's highlights while getting some exercise at the same time. T Hagley Park is a beautiful public park in the heart of Christchurch. The park offers plenty of open green spaces, walking and jogging trails, and is home to several major sporting events.