Though most visitors to Yosemite National Park visit the famous valley and then head elsewhere, there's a lot to see in the park's high country, particularly if you like ghost towns.

The National Park Service's duties in overseeing concessions at Yosemite National Park are discretionary and so the agency should not be held liable for a hantavirus outbreak there in 2012 that killed three and sickened others, the federal government argues in a motion to dismiss the agency from the litigation.

Looking for something to do in the National Park System in November and December? Check out this listing of activities, from Andersonville National Historic Site to Yoemite National Park.

Should the National Park Service work to see 4G coverage extended to as much of the National Park System as possible? Public Employees for Environmental Responsibility doesn't believe that should happen, and is behind a petition drive to have that idea spiked before we find visitors experiencing the parks in the palms of their hands, and not by using all their senses.