Lost for 13,000 Years, Scientists Have Finally Decoded This Ancient 3D Map
Researchers have discovered what may be the world’s oldest 3D map, located within a quartzitic sandstone megaclast in the ...
Westword6d
Best Steps Taken by a Public Institution
They're four small steps for Boulder, but four giant steps for poem-kind: The first four of fifty proposed engraved sandstone slabs were laid in a walkway at the Boulder Public Library's south ...
National Geographic news2y
Messages on the mountains
the sandstone mountains rising from the desert were not just part of the landscape, they were surfaces on which words, names, prayers and images could be engraved. They remain to this day ...