Construction Machines

Feel the earth move under your feet and dig into the fascinating story of earthmoving equipment--from the simple spade to today's powerful steam shovels. Meet legendary giants like John Deere, Jerome Case, and the founders of Caterpillar, who helped forge America's monolithic construction industry. Ride on specialized behemoth dump trucks, delve below sea level to view dredging equipment, and leave the planet altogether to explore earthmoving space equipment in this 2-hour special presentation.