University of Houston
University of Houston: Engines of Our Ingenuity: No. 1031: Antikythera Mechanism
This site contains the history of and a description of the Antikythera Mechanism in written and audio form.
Other
Antikythera
This site contains a description and images of the Antikythera Mechanism as well as an interactive animation of its functioning.
Other
The Antikythera Mechanism Research Project
This site includes images of the Antikythera Mechanism, a description of this device and modern-day recreations.
Wikimedia
Wikipedia: Antikythera Mechanism
This site contains a Wikipedia description of Antikythera mechanism.
Other
The Antikythera Mechanism Learn About the Oldest Analog Computer
This site contains a history of and a variety of links for the Antikythera Mechanism.