Character and sense of place often can be found within a national park's cultural resources. But if those resources are historic, they can be in danger of vanishing without proper attention. At Cape Cod National Seashore, the friends group is seeing that a turn-of-the-20th-century life-saving station is getting that attention.

If you've ever sat back in El Capitan Meadow in Yosemite National Park to watch climbers ascending that massive granite wall from which the meadow takes its name, odds are you never noticed the "hundreds" of fixed anchors climbers have over the years drilled into that monolith. And yet, they're there.

If you've been wondering about the genetics of bear populations in Glacier National Park, and will be near the park next month, you should plan on attending a talk on the subject by Kate Kendall.

Armed with photos from an old roll of film and the location of some of Virgin Islands National Park's best-known petroglyphs, park archaeologist Ken Wild set out with volunteers to solve a mystery.