Hidden in Plain Sight This engraving shows Johann Ludwig Burckhardt disguised in Muslim garb, as he might have looked during his search for Petra. Photograph by Art Archive Much later, a new wave ...

Ad Deir, or the Monastery, is one of Petra's many facades carved out of ... The perfect gift for the history buff in your life. Give now and get up to $20 OFF + FREE TOTE + BONUS ISSUE.