Though the National Park System stretches from the ocean floor to the roof of Denali, the bulk of peer-reviewed research conducted in the parks is focused on just five parks, an analysis by North Carolina State researchers claims.

A 33-year-old man who allegedly fired shots at rangers in Everglades National Park was in custody Monday after surrendering without incident.

For the past 21 years, the South Florida National Parks Trust has worked to raise charitable dollars for Biscayne, Dry Tortugas, and Everglades national parks and Big Cypress National Preserve. As the funding increased, so did the Trust's reach. To reflect its work effort and the many individuals and organizations involved in it, the Trust is now The Alliance for Florida's National Parks.

There have been, and continue to be, women who played key roles in establishing national parks or who are honored by parks that bear their name or were influenced by their work, or had positions with the National Park Service. How many do you know?