Traces the history of the underground transportation system in New York City, discussing the politics involved, how it was financed, the men who built it, and the construction techniques.
Describes the building of the Pantheon, discussing the role of the Roman emperor Hadrian and the significance of the Pantheon in the fields of history and architecture.
A history of the building of the Channel Tunnel, which connects England and France, with emphasis on the difficulties of digging a tunnel where some engineers said it could not be done.