Today practically all you need to say is "Bryce Canyon" to create a colorful mental picture of this Southwestern gem of the National Park System. But back in the early 1900s when a travelogue of the park was filmed, the color had to be in the narrative.

George W. Bush’s national park legacy includes seven new NPS units, five redesignations, one deauthorization, and one oddity.

You could call it a postage stamp-sized history of the National Park System, but the history of park scenes on U.S. postage is really quite colorful and carries a few stories with it.

If you've ever been to Yellowstone National Park, you know that it is well-deserving of its reputation as an open-air zoo thanks to all the bison, elk, bears, wolves, coyotes, moose, and bird life to be seen. But don't sell neighboring Grand Teton National Park short when it comes to viewing wildlife.