A National Park Foundation grant will enable a ranger at Blue Ridge Parkway to collect oral histories from a number of workers who helped build the parkway in the 1930s and 1940s.

Nearly one-quarter of the northern elk herd at Yellowstone National Park is missing, according to the annual winter count, but biologists aren't sure if there's been a stunning decline in the herd or if other factors have skewed the tally.

National Park Service stores sell books, photographs, postcards and T-shirts. But every once in a while, you can also discover some gems, both silly and fascinating, in the visitor center stores. What have you found?

While mule rides will continue at Grand Canyon National Park under a new stock use plan, only 10 visitors a day will be allowed to ride below the South Rim, a decision lamented by some who say it will deprive many of venturing into the canyon's Inner Gorge.