Oakwood Station historical United States A federal energy research and materials science R&D lab, which began as a uranium metals lab for the Manhattan Project.

Carthage United States Americold operates one of the largest underground storage warehouses in the country, in Carthage, Missouri. The company uses 3 million square feet of the former limestone mine, whose tunnels run for miles.

Ealing Broadway United Kingdom Arthur Lousley's life was a remarkable journey through the golden era of British jazz and the burgeoning field of aerospace electronics. Born, here on Sulgrave Rd, his early life was steeped in the cultural milieu of the 1920s, a period of great artistic and musical innovation.

Woodstock United States The American Precision Museum is museum of precision manufacturing, featuring a collection of hand and machine tools, housed in an old armory in the small Vermont town of Windsor.

Fairview historical United States Museum and science center for the adjacent Oak Ridge National Lab, one of the largest nuclear research complexes in the world.

Bozeman United States Founded in 1990, and located in Bozeman, Montana, this is said to be the oldest continuously operating computer museum in the nation, if not the world

Ann Arbor United States The American Center for Mobility is one of the largest test and development centers for autonomous and automated vehicles. It was built starting around 2015, on the site of the former World War II bomber plant at Willow Run airport.

Detroit United States The Ambassador is one of only three bridges connecting Michigan and Canada over its entire 721 mile water boundary. It connects the two largest cities on the Michigan/Ontario boundary, Detroit and Windsor.

Lancaster United States Usually called the world's largest maze when it is created every year at this site, the maze, cut into a cornfield, is one of several major maize mazes that "crop up" across the country at the end of each summer.

Amarillo United States The Amarillo Helium Plant was the first major production site for helium, and was the source of nearly all the helium in the world for more than a decade, up to WWII.