PBS
Pbs: Building Big: Skyscrapers
Information about the basics of skyscrapers, with profiles of nine big-building wonders. Extras include a loads lab, which illustrates how and why skyscrapers stand up and keep standing up, and interviews with builders, engineers, and...
archKIDecture
Arch Ki Decture: Building With Steel and Glass
Using the John Hancock Center as an example, ArchKIDecture explains how a steel skeleton gives a building strength and permanence.
Curated OER
John Hancock Building in Chicago
Using the John Hancock Center as an example, ArchKIDecture explains how a steel skeleton gives a building strength and permanence.