Gardens by the Bay is an urban park in central Singapore, consists of three waterfront gardens – Bay South Garden, Bay East Garden and Bay Central Garden. This attraction houses over 250 thousand rare plants and is just a five-minute walk from the city. Access to the gardens is free, so if you just want to wander round and take a few pictures of the amazing man-made flower domes, you can do this for free. You just pay for the two domes – the cloud forest dome and flowers from around the world dome. Gardens by the Bay also features man-made Supertrees. Total of 18 trees as tall as skyscrapers are lighting up the night sky over Singapore. They generating solar power, acting as air venting ducts for nearby conservatories, and collecting rainwater The tallest one stands at 50m.