What the Ancients Knew: Nilometer
Nilometer was what the Egyptians used to measure the rise and fall of the Nile River. Learn more about this method on The Science Channel's "What the Ancients Knew."
Assignment Discovery: Middle Passage of Slave Trade
The Middle Passage of the slave trade was the trip from Africa across the Atlantic Ocean to the U.S. For the slaves, it was horrific, inhumane, and unbearable, and many died along the way. Learn more from Discovery Channel's "Assignment Discovery."
What the Ancients Knew: Archimedes on Force
Take a load off and examine Archimedes' principles of levers and pulleys in action. Find out how it works with host Jack Turner on The Science Channel's "What the Ancients Knew."
Assignment Discovery: Slave Ship Captains
Slave ship captains had the power to do whatever was necessary to maintain control, while bringing ships of slaves across the ocean for trade. Learn more on the Discovery Channel's series "Assignment Discovery."
Assignment Discovery: Triangular Trade
With its strong navy, Britain dominated the slave trade and turned it in to an industry. The triangular trade refers to the bond between Africa, America and Europe. Learn more in this clip from Discovery Channel's series, "Assignment Discovery."
China: Silk Road
Take a journey through history as we learn about one of the greatest trading routes in history: the Chinese Silk Road.
What the Ancients Knew: The Roman Catapult
Watch as a team reconstructs the Roman Balistia, a catapult that was used by the Ancient Romans. Learn more about the technology and weapons of the Ancient Romans on the Science Channel's "What the Ancients Knew."
Assignment Discovery: Mali Empire
Mali empire was the second great empire in African history. Coming after the Ghana empire, they too became rich by taxing Muslims who traveled to their land to sell gold and salt. Learn more in this video from Discovery Channel's "Assignment Discovery."
Egypt's Ten Greatest Discovery: The Obelisk
On the Discovery Channel's "Egypt's Ten Greatest Discoveries," learn about the unfinished obelisk at the ancient quarry of Aswan. Obelisks were monuments that were seen as a symbol of connection between the king and the sun god.
What if the Cold War never ended?
Most historians agree that the fall of the Soviet Union occurred in 1991, and the KGB was dissolved in the same year. Or was it? Tune in to learn how a Soviet defector convinced high-level members of the US government that the KGB still controls Russia.
Rome's Colossally Cool Colosseum
Although the Colosseum of Rome is in ruins, it remains an impressive testament to the might of the Roman Empire. In this episode, Rachel and Matt delve into the fascinating story of one of the ancient world's most impressive structures.
Treasure Quest: Spanish Coins
In this video from "Treasure Quest," numismatist (coin expert) David W. Lange discusses the silver coins found at the Black Swan site. Like similar gold coins, they reveal the surprisingly unattractive faces of former Spainish monarchs.
Castle walls were built to withstand brutal sieges; some were built so well that they're still standing. Learn more about castles in this video from the archives of Discovery.
Learn more about the religious conflicts called the Crusades in this clip from the Discovery archives.
In this video from the archives of Discovery, watch historical footage of a battleship sinking and learn more about the most famous warship ever sunk.
America's First Nations: Long Houses
The heart of Iroquois life centered around the long house. Learn about the vital role these structures played in the communities and society of the Iroquois with this clip from Discovery Channel's "America's First Nations" series.