National Historic Mechanical Engineering Landmark Saturn V Rocket 1967-1973 The largest rocket built at the time of the historic first missions to the moon, the Saturn V carried aloft the 45-ton Apollo spacecraft on earth orbital and lunar missions from 1967 to 1972. It also launched the 120-ton Skylab into earth orbit on May 14, 1973. Design and fabrication of the Saturn V were carried out by a Government/industry team which included the National Aeronautics and Space Administration, the Boeing Company, North American Rockwell, McDonnell Douglas Corporation, International Business Machines, and their sub-contractors. Many of the design features were outgrowths of the earlier development work accomplished by military service organizations and their contractors.

Johnson Space Center, 2101 Nasa Parkway, Houston, TX, United States

The Iron Bridge of Coalbrookdale First major structural use of Cast Iron in commemoration of it's bicentenary

The Iron Bridge - Tontine Hill, Ironbridge, United Kingdom