Using 25 of a cat whisperer's extraordinary images, here are 10 large cats we might not normally get close enough to say, here kitty kitty, smile for the camera.

Backyard gardens are great when you have the space, but rooftop and wall gardens are perfect when you don't. They can even help businesses lower utility costs!

Size DOES matter: These 9 amazing animals prove that when the going gets tough, the tough get big!

The world's largest public gardens, greenhouses, zoos and natural history museums offer plenty of space to stretch out and learn about nature.

Living organisms continue to amaze in the form of recent bizarre discoveries surrounding lungless worms, lonely bacteria and coconut-crazy octopuses.

Now is the time to start planning for spring and summer vacations. These eco-travel links will help you travel a little lighter on the earth this year.

Somewhere between Singapore's commercial center and the coast lies a thrilling 120-foot tall walkway through the treetops. It's a treaty between man and nature.

Worldwide we unite as one to welcome the new year with fireworks, so here are 27 fabulous New Year's Eve firework celebrations from around the globe.

Relatively unchanged for millions of years, these very "living fossils" have each managed to find a successful ecological niche and have stuck with it.