Authorities are investigating the deaths of a man and woman found in a rugged section of Joshua Tree National Park.

The truly essential items for the birder’s or wildlife watcher’s gearbox are few, but binoculars are pretty difficult to do without.

Denali National Park and Preserve is the only national park in America with a working sled dog kennel. It's hard to beat a puppy when it comes to the "aaaw factor," and thanks to a new on-line "Puppy Cam," fans of sleds dogs can now enjoy live views of young canines at the park's kennels.

Standing under the iconic arch at the Jefferson National Expansion Memorial is awesome. But the site has so much more worth exploring.