The Underground Railroad may have saved as much as 100,000 slaves. Tune into to this HowStuffWorks podcast to learn how the passage of the Fugitive Slave Act and a secret network of abolitionists led to the creation of the Underground Railroad.

Like any other discipline, history often becomes a matter of interpretation. Check in with HowStuffWorks' resident history experts as they explore the phenomenon of revisionist history in this podcast.

In most films Vikings are depicted as bloodthirsty, relatively ignorant berserkers who did little more than plunder and pillage their way across Europe. However, the story doesn't end there -- tune in to this HowStuffWorks podcast to learn more.

Building on an earlier examination of the Spanish Inquisition, HowStuffWorks' history experts take a look at the disturbing world of medieval torture devices. Check out this podcast to learn more about torture and more Stuff You Missed in History Class.

Explore the complicated history of the civil rights movement in this HowStuffWorks podcast.

Nowadays, the Spanish Inquisition is best known as a symbol of religious intolerance and extreme cruelty. Tune in to this HowStuffWorks podcast to learn more about the people and politics behind the Spanish Inquisition.

During World War II, the bravery of Kamikaze pilots was legendary. When the war concluded, several Japanese soldiers remained in hiding on islands across the Pacific. Learn more about Japanese holdouts and the Bushido code in this HowStuffWorks podcast.

Author Gavin Menzies believes a fleet of Chinese explorers reached the Americas before Christopher Columbus, but he's been repeatedly challenged to defend this claim. Check out this podcast from HowStuffWorks to learn more about revisionist history.

When Lincoln delivered the Emancipation Proclamation, he hoped to demoralize the South. Learn the details behind President Lincoln's Emancipation Proclamation in this podcast from HowStuffWorks.

Several treasure hunters think they might have found Nazi gold. Learn about the history of Nazi gold, the role of Swiss banks and much more in this podcast from HowStuffWorks.

The Great Wall of China is incredibly long, and was originally built for military purposes. Check out this HowStuffWorks podcast to learn more about the Great Wall.

Agent Orange was a potent herbicide and defoliant used across Vietnam during the Vietnam War. Listen to this podcast from HowStuffWorks to learn about Agent Orange and its atrocious legacy.

Marco Polo was an 11th-century Italian explorer famous for his extensive travels through China along the Silk Road, but it can be difficult to separate the truth from the fiction in his stories. Check out this HowStuffWorks podcast to learn more.

Diamond were first found in Africa sometime in the 1860s, and have troubled the continent ever since. Check out this podcast from HowStuffWorks to learn more about the De Beers monopoly, blood diamonds and the African conflicts resulting from these gems.

The alcohol prohibition of the 1920s was known at the time as 'the noble experiment.' Check out this podcast from HowStuffWorks to learn more about this constitutional amendment banning the sale and production of alcoholic products.

From 1509 to 1547, thousands of people were beheaded under the bloody, violent reign of Henry VIII. Check out this HowStuffWorks podcast to learn more about Henry VIII and his effect on history.

During the Colonial period in North America, Britain taxed colonists without allowing the colonies to have governmental representation. Learn how the Boston Tea Party came about as a result of British colonial policies in this HowStuffWorks podcast.

With much of America's workforce fighting in World War II, women broke past traditional gender stereotypes and gained employment in industries formally restricted to men. Check out this HowStuffWorks podcast to learn more about Rosie the Riveter.

Prior to the modern discovery of the Rosetta stone, Ancient Egypt was an enigma. Even many pre-Napoleonic Egyptians had no concept of their forbearers' culture. Check out this HowStuffWorks podcast to learn more about the Rosetta Stone.

Home to hundreds of mysterious, gigantic stone statues, Easter Island is an isolated, tiny island in the Pacific. Check out this podcast to learn more about the astonishing history of Easter Island.

The Titanic was famously considered 'unsinkable' by the engineers who built it. However, the Titanic's reputation could not save it from the infamous iceberg that sank the ship on its maiden voyage. Check out this HowStuffWorks podcast to learn more.

Several factors contributed to the French Revolution. Check out this HowStuffWorks podcast to learn how an incompetent monarchy, the age of Enlightenment and widespread famine created the perfect storm for a country-wide revolution.

The first Crusade began in 1095, and launched a struggle for control of Jerusalem in a series of arduous battles spanning more than two centuries. Learn more about the origin, escalation and consequences of the Crusades in this podcast from HowStuffWorks.

When British explorers reached Australia in 1768, Aborigines were seen as savages in need of assimilation. Check out this HowStuffWorks podcast to learn more about the Lost Generation, and the laws Australia passed to force assimilation on the Aborigines.

When Thomas Jefferson purchased the Louisiana Territory for 15 million dollars, the US nearly doubled in size. Check out this HowStuffWorks podcast to learn more about the effects of the Louisiana Purchase.