Built with low-cost and recycled materials, the octagonal Jellyfish Barge supports 70 square meters of stacked hydroponic grow racks. Launched in the Navicelli canal in Pisa this past October, the floating farm has already produced a bumper crop of lettuce and radicchio.  Photo 4 of 11 in 10 Greenhouses That Will Inspire You to Grab Your Gardening Tools from Incredible Floating Barge Makes it Possible to Grow Food on Any Body of Water

10 Greenhouses That Will Inspire You to Grab Your Gardening Tools

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The modular Jellyfish Barge by Italian firm Studiomoble was designed with seven solar stills, as well as a natural desalination system, so fruits and vegetables can be grown in drought-stricken regions without sufficient arable land. Built with low-cost and recycled materials, the octagonal structure supports 753 square feet of stacked hydroponic grow racks. Launched in the Navicelli canal in Pisa, the floating farm has already produced a bumper crop of lettuce and radicchio.