"Known internationally for its 22,000 rhododendrons, plus a curated collection of plants and trees organized into “countries”—complete with purpose-built lakes, waterfalls, bridges and gazebos—Emu Valley is a tranquil way to spend the day. You may even meet a local duck or grebe or, if you’re really lucky, an echidna or platypus. Not only a beautiful garden, it’s also a plant museum and heritage center: Many species of rhododendron have become endangered due to human activities."