Yes, Indiana Jones and the Last Crusade was famously filmed at the ancient city of Petra in Jordan. The most iconic scene in the movie features "The Treasury" (Al-Khazneh), a magnificent rock-cut temple that serves as the fictional final resting place of the Holy Grail. To reach the Treasury, the production team utilized the Siq, the narrow, winding sandstone gorge that leads into the city, creating the dramatic "gold standard" reveal as the characters emerge from the shadows into the sunlight-drenched plaza. While the film’s interior scenes of the Grail temple were shot on a soundstage at Elstree Studios in England, the exterior shots of Petra's red sandstone facades became globally synonymous with the film. This cinematic exposure in 1989 significantly boosted Jordan's tourism, turning the real-life archaeological site into a bucket-list destination for millions of fans who wish to walk in the footsteps of Indy and Sallah through the "Rose City."