Our Pick
Posted on @rawstates
The Odessa meteor crater
1892
Ector County, Texas
Kelly Teague · CC BY-SA 2.0 · Wikimedia Commons
The second largest impact crater in the United States, made about 63,000 years ago and mostly filled with sediment since, so it reads as a shallow bowl. It was only recognised for what it was in 1926.
That was 1 of the hidden places.
Location: documented spot
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