This portrait of General Robert E. Lee a week after surrendering to General Ulysses S. Grant, effectively ending the American Civil War - April 16, 1865
These Armed troops blocking off a road near an explosion at an oil factory near Texas City, Texas on April 17, 1947
"Cab Stand" in Madison Square Park, New York circa 1900
Elvis Presley meets secretly with President Nixon in 1970
"An Oasis in the Badlands", Red Hawk of the Oglala Sioux on horseback, circa 1905
Women painting World War II propaganda posters in Port Washington, New York, on July 8, 1942
See all of the 25 stunning colorized photos here.