These days if you hear the terms "snake" and "Everglades National Park" in the same news story, you might logically expect the subject to be Burmese Pythons. The pythons can be very large snakes, but they aren't venomous. A bite from an Eastern diamondback rattlesnake is a much different story, as one ranger at the park can readily confirm from his recent harrowing experience.

Two butterflies native to South Florida are most likely extinct, according to the U.S. Fish and Wildlife Service.

Solar power at Death Valley National Park, the Ice Age National Scenic Trail in Wisconsin, and the Tamiami Trail that crosses the Everglades are just some of the items in our roundup of what's going on in the National Park System.

This Saturday has been designated as "Save the Florida Panther Day" in the state of Florida, the last stronghold of these big cats.