Louis Boutan One of the first underwater photographs which required a 30 minute exposure, 1893

Khe Sanh, Vietnam, 1968 The Battle of Khe Sanh began on January 21, 1968. For the next 77 days, U.S. Marines and their South Vietnamese allies fought off an intense siege of the garrison, in one of the longest and bloodiest battles of the Vietnam War

Unemployed lumber worker goes with his wife to the bean harvest. Note social security number tattooed on his arm, Oregon, 1939 by Dorothea Lange.

Behind the scenes of the iconic image of Marilyn Monroe standing on the subway grate. On location in NYC, filming of Seven Year Itch

John J. Wilpers Jr, a member of the Army Intelligence unit that had gone to arrest Hideki Tojo, the wartime Prime Minister of Japan, finds him slumped semiconcious after he tried to commit suicide by shooting himself through the heart, Tokyo, September 11, 1945 Hideki Tojo was saved by US army doctors. He was later tried and convicted for war crimes and hanged in December 1948.

A newspaper vendor posing with Union soldiers reading his wares in a Union camp in Virginia during the Civil War, 1863. By Alexander Gardner

Reunion of Gettysburg veterans, 1913

Mrs. Robert Kennedy tries to comfort her husband as he lays mortally wounded on the floor in the kitchen at the Ambassador Hotel. June 6, 1968

Vietnam Veterans Against the War, circa 1970

Native American telephone switchboard operator, Helen of Many Glacier Hotel, June 1925

U.S. Marines emerge from muddy foxholes after a third night of fighting against of NVA 324 B division troops during the Vietnam War on Sept. 21, 1966

Kodak moment, Atlantic City, 1912

A young West Berlin couple peer over the Wall as the woman speaks to her mother in East Berlin, 1960s

Newly freed POWs in Vietnam celebrate during Operation Homecoming. As their plane lifts off from Hanoi, they know they are finally free

The Statue of Liberty as seen from Jersey City in 1973. Looks like some sci-fi dystopia

The Bowdoin College Tug of War Team, 1891

Customers line up outside the first McDonalds hamburger stand which was opened in 1948 by brothers Dick and Maurice McDonald in San Bernadino, California

Horst Faas picture of Vietnamese and US troops rest after a tense night awaiting a Viet Cong ambush near the village of Binh Gia. January 1965

Pittsburgh, Pennsylvania, 1940 by Jack Delano

A rush to retrieve gold from the bank before the Communist victory, Shanghai, China 1949

Eduard Bloch, the Jewish physician of the Hitler family in his office c. 1938. Bloch was given special protection by the Gestapo during the Anschluss, and emigrated to the United States