Examines the history of the world's tallest buildings, including some of the challenges faced in design and construction and how their builders tested the limits of technology.
Background on the history and construction of the Pentagon accompanies an account of the events of September 11, 2001, when this massive structure was attacked by terrorists.
Examines the history of the most advanced nuclear submarine ever built, the Seawolf, including some of the challenges faced in design and construction amid of post-Cold War budget constraints.
