If you look at a map of the National Park System, you'll find a glaring omission in the northeastern United States. There is no large expanse of wilderness protected by a national park. Proponents of a "Maine North Woods National Park and Preserve" want to change that.

Greenpeace activists were able to scale to the top of the iconic Mount Rushmore in July and unfurl a banner of protest over the U.S. approach to global warming because of a number of glaring security lapses, breakdowns and shortcomings at Mount Rushmore National Memorial, according to a National Park Service investigation.

Some good news out of the South Pacific today. The tsunami wave train that smacked the National Park of American Samoa last month didn't damage park artifacts as much as first thought. And that's largely because of the park staff's efforts to rescue the items from the waters that inundated park headquarters.

An intangible but priceless value of parks is the opportunity they provide for healing of mind, body and spirit. A recent example occurred at Dinosaur National Monument when the Wounded Warrior Project led a group of wounded veterans on a rafting trip through Lodore Canyon.