Siege Workshop

The Siege Workshop is a military building that is featured in Age of Empires, Age of Empires II and Age of Empires III

Age of Empires
In Age of Empires, the Siege Workshop serves as the building that trains Siege units. It benefits from Architecture which increases its hitpoints and decreases its construction time.
 * Units which can be created here:
 * Bronze Age - Stone Thrower
 * Iron Age - Ballista
 * Iron Age - Catapult
 * Iron Age - Helepolis
 * Iron Age - Heavy Catapult

Age of Empires II
In Age of Empires II, the Siege Workshop can be built in the Castle Age after a Blacksmith has been built previously. It can train Mangonel in the Castle Age, and Scorpions, Onagers and Bombard Cannons (as well as their upgrades) in the Imperial Age.

Age of Empires III
In Age of Empires III, the Siege Workshop is the Iroquois version of the Artillery Foundry. It can be built in the Colonial Age.