A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 1 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 2 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 3 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 4 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 5 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 6 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 7 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 8 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 9 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 10 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 11 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 12 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 13 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 14 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 15 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 16 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 17 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 18 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 19 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 20 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 21 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 22 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 23 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 24 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 25 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 26 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 27 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 28 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 29 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 30 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 31 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 32 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 33 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 34 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 35 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 36 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 37 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 38 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 39 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers - Image 40 of 40

A Greenhouse City on Mars and a Dockside Tower in Dublin: 8 Unbuilt Projects Submitted by our Readers

Nüwa City on Mars. Image Courtesy of ABIBOO Studio

24 / 40

Zoom image | View original size

✕

✕