Humongous holes can be found scattered across the globe, some geological phenomena and others made by man. Here are the most massive man-made and natural holes to be found on our planet.

A UK supermarket chain is using cars to power their checkouts. Sainsbury's has installed kinetic energy plates to harness the power of passing cars.

Mother Earth has had 5 billion years to sculpt herself into splendor, so let's trip across the 7 continents to find our planet's coolest natural wonders.

Everyone knows Stonehenge, but who knew there is a whole world of other stone circles out there? Here are 13 of the most interesting stone circles in the world.

Isn't it about time airships took off in a big way? Why not rise above all of that with the oldest invention in the history of aviation?

Plenty of college and pro sports teams are named after animals, so how are animals as athletes? You'll be pleasantly surprised by these strange animal sports.

Underneath your feet, deep in the Earth, the planet's final frontier awaits the most adventurous souls. Here are 20 extreme adventures for spelunkers and cavers.

Who says you can't invent a better mousetrap? This gigantic pitcher plant, discovered in the Philippines, is large enough to kill rats in its lethal leaf trap.

Scientists, agronomists and geneticists are taking the next step in food modification: improving our food from the inside out. Here are 10 more of the most intriguing GM fruits & vegetables ever to drop off the vine.