It's an engineering wonder, one that not only delights, but also perplexes and confounds, both motorists and road crews. And today the 75th birthday of the Going-to-the-Sun Road in Glacier National Park is being celebrated. It's a time to both reflect on the history of this 50-mile pathway across the park's interior and look as well at the effort to rebuild it.

In what's being called an unprecedented chapter in land conservation history, the state of Florida has agreed to buy 187,000 acres north of Everglades National Park and preserve the land to help ensure water flows into the park from Lake Okeechobee.

If the National Park Service were graded on how it's managing the National Park System, its latest report card would reflect a mediocre student, one with poor attention to detail.

Geographers might blanch at the thought, but Yellowstone National Park officials have pushed the 45th Parallel a bit north in an effort to make park visitors safer.