Fossilized footprints, preserved in gypsum mud that hardened over time, are estimated to be 23,000-21,000 years old. NPS / Alamy Ancient human footprints, preserved in a dry lakebed at White Sands ...
All dangerous roads are not alike. For some, like Florida’s US-1, which runs the length of the state’s east coast, it’s a matter of volume and geography, as in thousands of mixed-ability drivers ...
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