While the spring skiing and 'boarding has been great at Mammoth Mountain, the heavy snowpack in the Sierra is forcing the folks at Devils Postpile National Monument to delay their opening a few weeks.

Do you have an encyclopedic knowledge of Great Smoky Mountains National Park and like to volunteer? If so, there's a great opening in the park at Clingmans Dome this summer.

Ask most camping families to name national parks in the Southeast, you'll likely hear about Great Smoky Mountains National Park in North Carolina and Tennessee, Shenandoah National Parks in Virginia, and the Everglades in Florida. Most people have never heard of Congaree National Park in South Carolina. And that's not too surprising when you consider that little more than 122,000 folks visited the park last year.

There are few places where you can see fireflies all flicker at the same time, and Great Smoky Mountains National Park is one of them.