Four government agencies and a nonprofit support group--the National Park Service, California State Parks, the Marin Municipal Water District and the county of Marin--have bonded together in an unusual agreement to help preserve and protect Mount Tamalpais, Marin County's signature mountain.

Muir Beach will be once again open to the public after undergoing a six-month, $4 million revamp.

The Marin County beach reopened Saturday after getting a $4 million facelift that includes a new parking lot, new restrooms, restored wetlands and an extended bridge overlooking the wetlands, according to the Golden Gate National Parks Conservancy.

The Chinese artist and political dissident Ai Weiwei was one of the most famous prisoners in recent history. Now he’s taking on one of the most infamous prisons of all time, using Alcatraz as the inspiration and site for a series of new artworks to debut next September.

U.S. Secretary of the Interior Sally Jewell outlined a major push Thursday to inspire children and teenagers to enjoy the outdoors and chose to announce the campaign at Crissy Field because the nearly 80,000-acre Golden Gate National Recreation Area is the nation's youth programs leader