These 13 iPhone accessories aren't the usual wasteful junk, making use of reclaimed and natural materials, zero-energy solutions and solar power.

Leaves and man-made objects such as bright cups and even cheese balls come together like swarms of insects in Thomas Jackson's series 'Emergent Behavior.'

An artist transforms an obsolete telephone booth into an aquarium in a dazzling display for Lyon's Festival of Lights in France.

Compact, lightweight and powered with renewable energy, these futuristic eco cars range from realistic prototypes to outrageous concepts.

Underground rivers, massive volcanic lakes, pink sand beaches and stones rising from the sea are just a few of Southeast Asia's stunning natural wonders.

Artist Jayson Fann crafts branches into amazing human-sized nests with ladders and comfy interiors in Big Sur, California.

Unwanted spaces like abandoned airports, sewage treatment plants and shoe factories become brilliant new gardens, museums, apartment complexes and more.

A map of the world, made of algae, can only be kept alive when viewers stand nearby and engage with it in this interactive bio-sculpture by Byron Rich.

A residential building in Barcelona gets a stunning makeover in the form of a 70-foot-tall vertical garden with trailing vines.

No worries about these stunningly artistic light installations being a waste of energy - they use ultra-efficient LEDs for an eco-friendly glow.

Del Popolo's in San Francisco is a Neapolitan-style pizza joint running out of a rad reclaimed shipping container with a real, 5,000-pound wood-fired oven.

Artist Kathy Klein crafts amazingly intricate mandala designs from flower petals, pine cones, leaves and other natural materials.

China might have a bit of a pollution problem, but it's also home to some of the greenest architecture in the world, including these 13 innovative structures.

The Middle East plays host to much more than wide, sandy deserts. These 13 amazing natural wonders include volcanoes, caves and islands full of wildlife.

One of the world's brightest glow-in-the-dark mushrooms was first spotted in 1840 when a scientist saw kids playing with a strange glowing object in the street.

Modernize all of those rusty tools and accessories in your shed with these 15 sleek and sophisticated contemporary gardening implements.

An abandoned home in Saskatchewan was transformed into a life-size dollhouse complete with a transparent wall by artist Heather Benning.

These 15 plant species have adapted to survive the world's most extreme environments and to spread tenaciously, strangling everything else in their way.

The mountains that inspired the movie Avatar, the clearest lake in the world and the king of all peaks are among the incredible natural wonders of East Asia.

This cheap, portable iPhone speaker is simply a piece of recycled cardboard that you fold into a cone-shape to amplify the sound.