Our Pick
Posted on @rawstates
The Soo Locks
1855
Sault Ste. Marie, Michigan
Public domain · Wikimedia Commons
Lake Superior sits 21 feet above Lake Huron, and every ton of iron ore from the Mesabi Range has to be lowered through here. More tonnage passes than through Panama and Suez combined in some years, and the locks close in January when the ice makes navigation impossible.
That was 1 of the hidden places.
Location: documented spot
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