German resentment over harsh peace terms leads to a rise in nationalist sentiment and the eventual rise to power of Adolf Hitler.

On November 11, 1918, World War I finally came to an end after four-plus years of combat. Armistice Day was wildly celebrated throughout the world, and in this rare footage, we see how New York, Washington D.C. and Paris took to the streets with pure joy.

In 1997 Dr.Johan Hultin excavated an indigenous village graveyard in hopes to find the cause of Spanish flu but found much more.

Marcelino Serna came to the U.S. as a undocumented immigrant, and within just a few years, became one of the country's bravest heroes.