This Roman-era arena, built of pink-tinged marble in the 1st century AD, survived a 12th-century earthquake to become Verona’s legendary open-air opera house, with seating for 30,000 people. You can visit the arena year-round, though it’s at its best during the June-to-August opera season, which features around 50 performances by some of the world’s top names – Placido Domingo made his debut here. In winter months, concerts are held at the adjacent 18th-century Ente Lirico Arena.