Our Pick
Posted on @rawstates
Nine Mile Canyon
900
Carbon County, Utah
Tricia Simpson · CC BY-SA 4.0 · Wikimedia Commons
Called the world's longest art gallery, more than 10,000 Fremont and Ute images pecked into the canyon walls over 46 miles. It is forty miles long, not nine, apparently named after a surveyor's transect.
That was 1 of the hidden places.
Location: historic site
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