If you've ever entered Mount Rainier National Park's Nisqually Entrance via Ashford, Washington, you're well aware of the long corridor of trees you pass through. Now, thanks to the Nisqually Land Trust, you don't have to worry about those trees being reduced to stumps.

Add Great Smoky Mountains National Park to the growing list of parks that are getting ready for their spring opening. In fact, many of the park's facilities open today, March 7.

If you just focus on its "national park" status, then today is the 87th birthday of Hot Springs National Park.

Kings Canyon National Park is an alpine wonderland, set amongst the rugged lands of the Sierra Mountains in California, just north of Sequoia National Park and to the southeast of Yosemite National Park. The park, administered with Sequoia, is one of America’s oldest. While it still protects the ancient sequoia trees of the Grant Grove that were the park’s original focal point, it is rapidly becoming known as one of America’s premier backcountry destinations.