A Pigeon Bus from WWI, served as a collecting point for messenger pigeons from the front lines.

Chester E. MacDuffee proudly stands next to his newly patented, 550 lb diving suit, 1911.

Here's a vintage Harley motorcycle from 1904.

Martin Luther King Jr. addresses a crowd from the steps of the Lincoln Memorial where he delivered his famous, “I Have a Dream,” speech during the Aug. 28, 1963.

Crowded ship bringing American troops back to New York harbor after V-Day, 1945.

17-year old Pelé in Sweden before the 1958 World Cup.

American soldiers discover Manet's “In the Conservatory” that was hidden (amongst other Nazi loot) in the salt mines of Merker, Germany. 1945.

The cathedral of Amiens during WWII

French colonial officers in Ivory Coast with native wives, 1915

Robert Wadlow (b. 1918) is the tallest person in documented history. Due to an overactive pituitary gland, he was taller than his father at age 8 and continued to grow reaching 8 feet 11 inches at age 22. Pictured here with his family at age 21.

Niagara Falls in the winter of 1888.

One the warehouses filled with victims' shoes up to the ceiling. Auschwitz, Occupied Poland 1944.

One of the first McDonald’s restaurants opened in 1948 and had 9 items. The staple of the menu was their 15-cent hamburger. They added their now world-famous fries to the menu in 1949.

Women protesting forced Hijab days after the revolution, Iran, 1979. Photograph by Hengameh Golestan.

In World War I, Emir Faisal (pictured front & center) helped the Allies win northern Syria and led the Arab delegation to the 1919 Paris Peace Conference following the war. To the right is T.E. Lawrence, the namesake of the 1962 adventure film "Lawrence of Arabia".

Huge stacks of lumber drying in Seattle. How huge? Check out the man standing in the picture… 1919

A canal being drained and cleaned in Venice, Italy, 1956.

Man posing with this massive cactus in Mexico. 1895

Norwich City (UK) first computer delivered to the Treasury Department for payroll. 1957.

Sail Wagon. Brooklyn, circa 1910.