Step into one of the most geologically active places on Earth to see incredible otherworldly sights you will never see anywhere else...on this planet, at least.

These three ideas, from a simple sand filter to water vapor towers to alter the climate, aim to help solve Africa's water crisis.

The March 19, 2011 extreme supermoon made moonlight extra bright, all night, and gave the world's photographers a great excuse to “shoot the moon."

For mere pocket change you can stay in a treehouse in the Philippines, enjoy a green getaway in Hawaii or spend a few eco-friendly nights in 12 other places.

Surrounded by the searing sand dunes of the Sahara, Libya's Ubari Lakes offer intrepid travelers a refreshing splash of beauty that's more than just a mirage.

Japan's “Snow Monsters” - silent, twisted, mountain forests of stately conifers draped in frosty rime ice each winter – are under threat from climate change.

Green travel doesn't always mean roughing it. These 12 luxurious eco resorts offer all the perks of a pampering getaway in an environmentally responsible manner.

The world's largest landfill - located on the notoriously smelly Staten Island - is being rehabbed into an incredible 2,200-acre public park.

Emilio Marcos Palma laughs at those claiming to be from the Deep South. Born at Argentina's Esperanza Base, Palma lays claim to be the first native Antarctican.

Noodles in Thailand, falafel in Israel, tacos in Mexico, crab in Singapore and crepes in Paris - street food in these 10 cities is cheap, quick & oh-so-tasty.

At these 13 eco resorts, you'll get up close and personal with nature in treetop pods, floating lodges, huts on stilts and primitive grassy shelters.

Photographing Earth from above, Yann Arthus-Bertrand reveals stunning vistas, with breathtaking symmetry and color.

These 10 fantastic frozen waterfalls show what happens when Mother Nature decides to take a snapshot of her most moving creations.

These relaxing retreats pair modern materials and aesthetics with a touch of nature in the form of reclaimed timber and patina for an elegant, rustic look.

Parts of the U.S. may be buried under unusual amounts of snow, but our snowfall pales in comparison to the 56-foot drifts found in parts of Japan every winter.