Machu Picchu was built at a high latitude in Peru allowing it to be hidden in the Andes mountains. Babylon was located in a hot, arid climate in Mesopotamia as seen on maps. Calixtlhuaca was likely in a temperate climate based on its location and images from Google Earth. Jerusalem has a Mediterranean climate and landmarks like religious sites that have progressed over centuries as a tourist destination. Athens is also a tourist attraction with landmarks like the Acropolis and has modernized while preserving its history.