Re: The 7 \'New Wonders\' of the World
Gotta add my 2 cents for the Hoover Dam. Any geeks would love the 'Hard Hat Tour' (not sure if they still run them). Something like 20+ construction and engineering innovations were developed during the project that are still used to this day.
I got the biggest kick out of seeing the world's largest Cincinnati machine mill, on site to manufacture impellers (because it would be near impossible to transport impellers that size LDO). It was 3+ stories tall.
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