Season 6, Episode 40 Forts

First Aired: October 18, 1999

The history, development and technology of fortresses, from early simple fenced hilltops to castles and walled cities, includes siege weaponry used to breach defenses.

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  • Premiered: January 1, 1995
  • Rating: TV-PG
  • User Rating:4.62 out of 5 (68 ratings)
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  • Premise: Chronicling man's achievements in the fields of science, technology, electronics, mechanics, engineering, architecture, industry, mass production manufacturing and agriculture, the episodes of Modern Marvels details the development of certain landmark prod… (more)

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