You can't visit Singapore without taking a trip to Gardens by the Bay. Spanning 101 hectares, it's a surreal botanic wonderland, comprised of over 1 million plants from 19,000 species. Gardens by the Bay is split into a number of different areas. The Flower Dome is the world's largest glass greenhouse, while Floral Fantasy boasts a huge range of cascading hanging gardens. Cloud Forest is a mist-filled dreamland, inhabited by rare species, while Supertree Grove is home to towering 50-metre-high hanging gardens, swathed in lights and sound by night. There’s truly nothing like it in the world.