Here's a pretty cool urban farming solution---a Plantagon greenhouse for urban farming. Construction on the first one broke ground in Sweden last week. This unique vertical-farming greenhouse will also be
Honey Sphere by 02 Treehouse. Natural structure that allows the form of the tree to be seen. Wouldn't provide much shelter but creates a fab area to sit and enjoy the views through the honeycomb sections.
This magnificent structure is called the Edifice Sphere. The concept Spherical skyscraper by EQUIP Xavier Claramunt, is a hundred stories tall structure, but instead of being a tower, it is actually a sphere within a sphere.