The Basilica of Sant'Ambrogio in Milan, Italy is an ancient Romanesque-style church commissioned by St. Ambrose in the late 4th century. It has undergone several restorations and reconstructions over the years, with its current appearance dating back to the 12th century. The basilica features a mix of brickwork, stone, and plaster, with intricate decorations on its exterior and a stunning interior with vaulted ceilings, mosaics, and historical relics. Legend has it that a nearby marble column bears marks from the Devil's horns after failing to tempt St. Ambrose.