Traces the history of bridges in America, focusing on the people and technology involved in the construction of wooden, iron, suspension, cantilever, and modern-day bridges.

Traces the history of canals and canal building in America, from the first American canals to the building of the Panama Canal and the recent work done on the Illinois Waterway.

Traces the history of tunnel-building in America, from the earliest days of the Schuylkill Navigation Tunnel to the complex technology of today's immersed-tube tunnels.

Discusses the history, geography, peoples, politics, and resources of the continent of Europe.

Examines the geography, history, economy, and culture of the South American continent.

Describes unique characteristics of the European continent including its landscapes, geology, weather and climate, rivers, coastlines, ocean air, and soils as well as its plants, animals, and people.