Split Rock Lighthouse fall 2009
Split Rock Lighthouse is a lighthouse located southwest of Silver Bay, Minnesota, USA on the North Shore of Lake Superior. The structure was designed by lighthouse engineer Ralph Russell Tinkham and was completed in...
Compressed air driven locomotive at the former Homestake Mine in the town of Lead, South Dakota.
You couldn't use a steam engine in the largest and deepest gold mine in North America, so Homestake Air Locomotive...
Steven F. Udvar-Hazy Center: Space exhibit panorama (Space Shuttle Enterprise)
See more photos of this, and the Wikipedia article.
Details, quoting from Smithsonian National Air and Space Museum | Space Shuttle Enterprise:
Rockwell International Corporation
Country of Origin:...