This futuristic yet organic proposal for Manhattan envisions a solution for a flourishing city despite rising sea levels, elevating infrastructure into the sky.

Nike has unveiled a new pavilion made of high-tech thread and recycled plastic bottles, in honor of its 'Flyknit' footwear technology.

This super-narrow house in Tokyo is less than seven feet wide, but manages to accommodate two families.

These 15 cabins, often made of reclaimed materials, offer eco-friendly wilderness retreats that might just tempt you into a simpler life with a great view.

These 14 houses, pavilions, commercial buildings and other forms of architecture take inspiration from the shape and symbolism of trees.

A beautifully designed nature observation tower in Latvia ascends 120 feet into the sky and features caged balconies from which to enjoy the view along the way.

This gorgeous building mixes work and play to create a singularly fantastic addition to a Japanese kindergarten site.

Romantic fairytale treehouses with spiraling staircases and streamlined, modern stainless steel versions climb high into the sky.

A specific type of soil bacteria could be used in conjunction with 3D printers to create inexpensive, low-waste materials with which to build electric towers.

Growing rapidly in diverse climates, bamboo proves to be an ideal sustainable low-cost building material for these 13 structures, from restaurants to schools.

Spiraling into the sky, this green residential tower designed for Denver is built atop a volume of retail, restaurants, parks, recreation space and gardens.

These 18 sightseeing towers and overlooks, from urban London to the fjords of Norway, provide incomparable views from dizzying heights.

The town of Fudai escaped the March 11th tsunami nearly untouched despite widespread destruction - all thanks to an ugly, unwanted 51-foot-tall floodgate.

Street vendors have a greener future to look forward to. The EcoKiosk was designed to make their stalls cleaner, greener and more appealing all-around.

A competition to redesign electric pylons in Iceland produced these 3 standout entries including 'Land of Giants', humanoid sculptures that tower into the sky.