Lost Spring Mesa near Apple Valley in Washington County features at least four Anasazi petroglyphs that have been labeled ...

Towering structures carved into cliffs, vibrant art etched in stone—and then, nothing. The fate of the Anasazi is one of America’s oldest unsolved disappearances. Homeland Security requests National ...

New light on Stonehenge -- Raising Alexandria -- Winter palace -- Reconstructing Petra -- The queen who would be king -- Mysterious island -- Quandary at Qumran -- Unlocking the secrets of the ...