Forget what you might have heard about polar bears being the first species to gain Endangered Species Act protection due to climate change. Two species of coral lay claim to that unfortunate distinction.

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.