Our Pick
Posted on @rawstates
Hueco Tanks
1970
El Paso County, Texas
Brian Stansberry · CC BY 3.0 · Wikimedia Commons
Natural rock basins that hold rainwater in the desert, which made this a stop for 10,000 years, and left over 3,000 painted images, including the largest concentration of masked figures in North America. Access is now rationed to protect them.
That was 1 of the hidden places.
Location: documented spot
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