From a Mayan treehouse playground of the rich to the home of descendants of Bounty mutineers, here are 10 mysterious and unusual islands.

An illustrated rundown (based on NASA's authoritative study) of 10 plants that will purify the air in any home or office.

These 12 visionary films create dismal futures caused by present-day problems like global warming, wildlife extinctions and resource depletion.

A detailed, photographed profile of 10 destructive pollutants and how they are harming the environment for us all.

Symbiotic pairs, camouflaged critters and color-changing animals are one thing, but what about exploding and raining animals? Oh yes, they exist and much much more.

How to Guerrilla Garden: Tips and Hacks for Guerrilla Gardening and Urban Renewal for Urbanism and Gardening Fans.

Some of these incredible natural phenomena are rare and a few can be terribly dangerous while others ubiquitously visible and beautiful the entire world over.

Strange, unusual, weird, bizarre ways that animals move and odd facts about animal locomotion including flight, rolling, walking on water, bipedalism, and more.

Rats are amazing creatures with amazing skills, abilities, intelligence, memory and traits. Learn rat stories, trivia, and unusual facts about these rodents.

The world's deepest and most deadly dive sites include old nuclear missile silos, blue holes, artificial dive pools and caverns over 300 feet deep.

From moving rocks to mammatus clouds and red tides to fire rainbows, here are seven of the most spectacular phenomenal wonders of the natural world.

How different animals see color and animal vision including rod diversity, color blindness and perspective in dogs, cats, horses, snakes, insects and more.

Extreme altitude, highest places in the world, highest cities and villages on the planet, and most remote high altitude geographic locations on earth.

You thought man-made wonders were impressive? Here are seven of the most awe-inspiring animal architects and architectonic structures of the animal kingdom

The following collection has a mix of the longest, deepest, and widest (in area) canyons and gorges from around the world.