Two of the most incredible waterfalls in the National Park System can be found in Yellowstone National Park. But it certainly doesn't have a monopoly on waterworks. Olympic National Park boasts the beautifully secluded Marymere Falls, Glacier National Park the towering Bird Woman Falls, and Great Smoky Mountain National Park the comparatively small but gorgeous-just-the-same Abrams Falls. What other waterfalls in the park system deserve to be singled out for their beauty?

From large Burmese pythons in the Everglades to tiny Quagga mussels at Lake Mead, exotic animals are a growing problem in our national parks. A recent story from Australia demonstrates that the battle against exotics can sometimes employ some low-tech weapons, including cat food and ants.

A 35-year-old North Carolina man is due in federal court on March 22 to face poaching charges in connection with the shooting of a bull elk in Great Smoky Mountains National Park.

During its lengthy meeting in Fairbanks this week the Alaska Board of Game is expected to consider a proposal to extend a wolf protection buffer zone that is surrounded on three sides by Denali National Park and Preserve.