A nearly 30-foot tall white fir from Pennsylvania now stands as the National Christmas Tree on the Ellipse in President's Park in Washington, D.C.

Incarceration in the United States takes on an educational role at Alcatraz Island, where a new exhibit delves into the legal, social, and political issues of being locked up.

Theodore Roosevelt National Park might be an overlooked or 'out-of-mind' national park, but it's really quite a fascinating place, from the Painted Canyon and the Little Missouri River to the remnants of Theodore Roosevelt's Elkhorn Ranch. To plan for the future of these and other sites in the park, Theodore Roosevelt staff have scheduled two public meetings for next week to discuss the planning process.

Grand Teton National Park officials want visitors and local residents to drive carefully through the park, especially after dark when it's difficult to see wildlife crossing roads.