The international race to develop biological weapons during the 20th century, the challenges scientists faced, and the moral dilemmas posed by their eventual success.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
President Woodrow Wilson lead America during World War I, created the Federal Reserve, and helped create the League of Nations. Part of the award-winning Presidents collection.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
With the clock ticking and the city under fire how many could be saved?
Joseph Goebbels, the second most powerful man in Nazi Germany, was the mastermind behind Adolf Hitler's success.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.