Not technically a machine, but . . .
This is the world's largest freestanding building, an airship hangar built a decade ago at an
The world's largest solar tower facility is to be built in California http://bit.ly/143ftmy
building I love
The hospital is the second largest hand cut stone building in the United States. The hospital was built to hold 250 mentally ill patients. In 1950 the patients numbered 2400. Many were tormented, tortured and believed to be murdered there. Charles Manson once was a resident there. The asylum closed in 1994.