Xunantunich Maya RuinsThough the excavated portion of Xunantunich occupies about 300 square meters of land, there is more to be unearthed. What remains behind tells of a quintessential Classic Period ceremonial center, but what separates this from other ruins is the domination of El Castillo, the tallest structure (sometimes called a pyramid) in Belize. Why should you visit Xunantunich Maya Ruins? First, the aerial view from the top of the 130-foot-high El Castillo is worth the climb. Interested in visiting Xunantunich Mayan Ruins on your Belize Vacation?