The Colleseum [The Flavian Amphitheater] Rome, Italy - Capacity for people! Used stacked half-columns (Roman Doric, Ionic and Corinthian] to give a sense of order to the building. Although it looks beautiful, given what happened here it's also haunting.
Hamburg Germany ~ Churches are important landmarks, such as St Nicholas' church, which for a short time in the century was the world's tallest building. I first visited Hamburg when I was 5 years old.I do remember this church.