Some of the must-see attractions in Guatemala include the ancient Mayan ruins of Tikal, the stunning Lake Atitlán surrounded by volcanoes, the colonial city of Antigua Guatemala with its beautiful architecture, the vibrant indigenous market of Chichicastenango, and the mystical Semuc Champey natural pools. These are just a few examples, as Guatemala is filled with natural wonders, historical sites, and cultural experiences that are worth exploring.