Sewage bins in Amsterdam, wheat bins in Australia and coal bins in New York have been transformed into stunning high-rise apartments, homes and more.

Experience the woods of Northern Sweden as would a bird nestled into a hole in a tree at the Tree Hotel, a mirrored cube in the sky with room for two.

Artist David Benque explores humans' aesthetic relationship with nature in this intriguing conceptual art project: a genetically engineered musical garden.

That's not a bat in the sky - it's a surveillance camera. Scientists and engineers are looking toward animal and human biology to inspire inventions like these.

Apartment dwellers usually have to live without their very own green spaces.This building would provide personal outdoor yards for every resident.

A massive airship hangar was transformed into a self-contained tropical city in the middle of the German countryside, complete with the world's largest pool.

To keep animals safe in the White River National Forest, this unique living green crossing would provide a comfortable means for crossing over Interstate 70.

9 artists make a statement with styrofoam, turning a material that is made to be discarded into a more permanent medium for all kinds of art projects.

Designers and architects take a close look at butterflies, beetles and other insects and arachnids to inspire more efficient solar panels, buildings and more.

Hunter Stabler holds a Masters of Fine Arts from the University of Pennsylvania, and is an extraordinary papercutter who has elevated the craft to new levels.

Philadelphia's eco-friendly Out on a Limb treehouse/boardwalk at the Morris Arboretum Tree Adventure gives visitors a chance to experience the forest canopy.

Sewage pipes, harbor cranes, patrol boats and an undersea research station offer up quirky upcycled places to sleep in these 14 green hotels.

Tough body armor, pollution-sensing robots, graceful architecture and cars designed to function like schools of fish: all examples of sea-inspired biomimicry.

How do we transform the car-clogged, fossil-fuel-chugging cities of the world into sustainable urban centers? These 12 novel ideas might help.

Design firm MVRDV unveils Le Monolithe, an eco-friendly mixed-use complex in Lyons, France that it created in conjunction with five other architects.