15 INCREDIBLE concert venues - At SteelStacks, a cultural venue located in Bethlehem, Pennsylvania, grand mills rise from the stage. The venue is located in the former site of Bethlehem Steel, the second largest steel manufacturer in the nation.
Terme di Caracalla - Teatro dell'Opera in Rome holds its summer opera and ballet season at the ruins of the Baths of Caracalla. Opera under the stars in the open air is an experience I recommend. I saw Turandot there and it was truly magical.