1. Come face-to-face with hundreds of native fish and invertebrates at Exploris Aquarium.
2. See what's growing at Rowallane Gardens.
3. Learn the story of Ireland's patron saint at the Saint Patrick Centre, then visit his grave at nearby Down Cathedral.
4. Climb Scrabo Tower for fantastic views over the lough and beyond.
5. Explore Japanese, Spanish, Italian and Celtic Shamrock gardens at Mount Stewart.