If you went to Yellowstone National Park in June, you weren't alone. The park saw record visitation last month as more than 610,000 folks made their way to Yellowstone.

National Public Radio is on the road in the National Park System this week, visiting both iconic and obscure parks. But is there a chink in NPR's coverage?

Best laid plans literally have gone up in flames in Grand Canyon National Park, where a prescribed fire has blown out of control. The Walla Valley Fire on the park's North Rim is burning across 225 acres and is just 15 percent contained. It's located about 9 miles west of the North Rim's developed area.

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.