Ancestral burial grounds and ceremonial mounds at Effigy Mounds National Monument in Iowa that were considered sacred by a dozen Native American tribes were desecrated by National Park Service managers who "clearly knew what they were doing was against the law" during a decade-long campaign of building boardwalks and trails across the monument grounds, according to a voluminous investigation.

Regulations will be developed for gathering of "wild, renewable resources" on national park lands in Alaska where it is allowed.

Snowshoeing might seem like a relatively safe activity in the national parks, but the landscape you're walking across might demand some extra attention. That seems to have been the case in Crater Lake National Park in Oregon, where rangers are searching for a snowshoer who likely fell into the crater when a snow cornice he was standing on collapsed.

To help boaters avoid a long excursion to reach the main arm of Lake Powell in Glen Canyon National Recreation Area in Utah, the Castle Rock Cut has been deepened to an elevation of 3,580 feet.