There are over 450 animal species listed as endangered and over 170 listed as threatened, according to the U.S. Fish and Wildlife Service.

Spanish painter Salvador Dali passed away 25 years ago this Jan. 23, his name by then all but synonymous with that of the art movement he championed during the prime years of his career: surrealism.

When was the last time you really could see for miles on a clear day, undisturbed by smog-like pollution? If it's been a while, you might want to visit a wilderness area.

As of March 1, cuts – known as sequestration – will be affecting every federal agency, including the National Park Service, the US Fish and Wildlife Service, the Forest Service and other environmental agencies.