Museums Discovery Centre is just one of the attractions in Castle Hill, Sydney so you might want to stop by during your trip. Why not take a stroll along the riverfront and watch the sunset while you're here? It's also full of great shops and restaurants, so you can spend the afternoon having a wander. If you want to experience more of the culture Sydney has to offer, head to Hillsong Church, Norwest Business Park, and Bella Vista Farm.