Our Pick
Posted on @rawstates
Hells Canyon
1975
Idaho-Oregon border
Gothic Albany · CC BY-SA 4.0 · Wikimedia Commons
The deepest river gorge in North America at nearly 8,000 feet, deeper than the Grand Canyon and far narrower. A long fight over three proposed dams ended with Congress protecting it, and the case reshaped how federal power licences weigh things that cannot be priced.
That was 1 of the hidden places.
Location: historic site
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