Aspens, Northern New Mexico photo by Ansel Adams, 1958

Aspens, Northern New Mexico photo by Ansel Adams, 1958

clearing winter storm, Yosemite national park, California photo

clearing winter storm, Yosemite national park, California photo

storm, Point Sur, Monterey coast CA photo by Ansel Adams, 1942

storm, Point Sur, Monterey coast CA photo by Ansel Adams, 1942

White House Ruin, Canyon de Chelly, Arizona photo by Ansel Adams,

White House Ruin, Canyon de Chelly, Arizona photo by Ansel Adams,

Pasture, Sonama County, California photo by Ansel Adams, 1951

Pasture, Sonama County, California photo by Ansel Adams, 1951

Stream, Sea, Clouds, Rodeo Lagoon, California photo by Ansel

Stream, Sea, Clouds, Rodeo Lagoon, California photo by Ansel

Aspens, Northern New Mexico photo by Ansel Adams, 1958  | 

Aspens, Northern New Mexico photo by Ansel Adams, 1958  | 

Aspens, Northern New Mexico photo by Ansel Adams, 1958  | 

Aspens, Northern New Mexico photo by Ansel Adams, 1958  | 

Old Faithful Geyser, Yellowstone photo by Ansel Adams, 1942

Old Faithful Geyser, Yellowstone photo by Ansel Adams, 1942

Old Faithful Geyser, Yellowstone photo by Ansel Adams, 1942 

Old Faithful Geyser, Yellowstone photo by Ansel Adams, 1942 

Saint Francis Church, Ranchos de Taos, New Mexico photo by Ansel

Saint Francis Church, Ranchos de Taos, New Mexico photo by Ansel

San Francisco from Television Park, San Bruno Mountain photo

San Francisco from Television Park, San Bruno Mountain photo

Saint Francis Church, Ranchos de Taos, New Mexico photo by Ansel

Saint Francis Church, Ranchos de Taos, New Mexico photo by Ansel

Rails and Jet Trails, Roseville, California photo by Ansel Adams,

Rails and Jet Trails, Roseville, California photo by Ansel Adams,

Rails and Jet Trails, Roseville, California photo by Ansel Adams,

Rails and Jet Trails, Roseville, California photo by Ansel Adams,

San Francisco from Television Park, San Bruno Mountain photo

San Francisco from Television Park, San Bruno Mountain photo

Sierra Foothills and Haze photo by Ansel Adams, 1942

Sierra Foothills and Haze photo by Ansel Adams, 1942

Sierra Foothills and Haze photo by Ansel Adams, 1942

Sierra Foothills and Haze photo by Ansel Adams, 1942

Dogwood, Yosemite National Park photo by Ansel Adams, 1938

Dogwood, Yosemite National Park photo by Ansel Adams, 1938

Dogwood, Yosemite National Park photo by Ansel Adams, 1938

Dogwood, Yosemite National Park photo by Ansel Adams, 1938

Old Faithful Geyser, Late Evening, Yellowstone National Park,

Old Faithful Geyser, Late Evening, Yellowstone National Park,

The Golden Gate before the Bridge, California photo by Ansel

The Golden Gate before the Bridge, California photo by Ansel

Winter Scene with Train massive (213cm*305cm) mural for the Department

Winter Scene with Train massive (213cm*305cm) mural for the Department

Ranch House near Carson City; Nevada, Winter 1962 photo by Ansel

Ranch House near Carson City; Nevada, Winter 1962 photo by Ansel

Clearing Storm, Sonoma County Hills, California photo by Ansel

Clearing Storm, Sonoma County Hills, California photo by Ansel

Redwoods, Bull Creek Flat, Northern California photo by Ansel

Redwoods, Bull Creek Flat, Northern California photo by Ansel

Winter Sunrise, Sierra Nevada, from Lone Pine, California photo

Winter Sunrise, Sierra Nevada, from Lone Pine, California photo

Mt. Williamson, Sierra Nevada, from Manzanar photo by Ansel Adams,

Mt. Williamson, Sierra Nevada, from Manzanar photo by Ansel Adams,

Autumn Trees; El Capitan Bridge, Yosemite National Park, California

Autumn Trees; El Capitan Bridge, Yosemite National Park, California

Upper Yosemite Falls, Spring photo by Ansel Adams, 1940s

Upper Yosemite Falls, Spring photo by Ansel Adams, 1940s

General Sherman tree - Sequoia National Park California photo

General Sherman tree - Sequoia National Park California photo

Sand Dunes, Sunrise, Death Valley National Monument, California

Sand Dunes, Sunrise, Death Valley National Monument, California

Pipes and Gauges, West Virginia photo by Ansel Adams, 1939

Pipes and Gauges, West Virginia photo by Ansel Adams, 1939

Oak Tree, Snowstorm, Yosemite National Park photo by Ansel Adams,

Oak Tree, Snowstorm, Yosemite National Park photo by Ansel Adams,

Trailside Near Juneau, Alaska photo by Ansel Adams, 1948

Trailside Near Juneau, Alaska photo by Ansel Adams, 1948

Morning Glories photo by Ansel Adams; Massachusetts, 1958

Morning Glories photo by Ansel Adams; Massachusetts, 1958