An atlas of Earth’s mysterious places — megaliths, pyramids, lost and sunken cities — with the evidence shown plainly: what is verified, what is contested, and what is still unknown.

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Not applicable places tagged “hydraulic” matching “Peru”

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Verified220 Widely accepted136 Contested3 Hypothetical0 Unverified0 Pseudoarchaeology0

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Qanats

🇬🇧United Kingdom

🇺🇸 United States · Hydraulic works

Illinois and Michigan Canal

The Illinois and Michigan Canal connected the Great Lakes to the Mississippi River. In Illinois, it ran 96 miles (154 km) from the Chicago River in Bridgeport, Chicago, to the Illinois River at…