For more than 150 years, visitors have taken hundreds of millions of photographs of Yosemite National Park.
But many of the park’s most iconic images — timeless, internationally famous shots of Half Dome, Tunnel View, Mirror Lake and other wonders that strikingly depict America’s natural heritage — were taken by Bay Area native Ansel Adams.
On Wednesday, the U.S. Postal Service will issue 16 commemorative stamps featuring some of Adams’ most renowned photographs, including images of Yosemite Valley...