Mexico City is the capital of Mexico and was originally built by the Aztecs. It has a unique history and culture reflecting the influence of the Aztecs, Spanish colonizers, and modern Mexico. Some of the top attractions to visit include the Plaza of Three Cultures, Teotihuacan archaeological site, University of Mexico City, Frida Kahlo Museum, murals by Diego Rivera, and the historic center including the Zocalo square, Metropolitan Cathedral, and Presidential Palace.