Visit Izamal. Izamal is a small city in the state of Yucatán, Mexico. Known as "La Ciudad Amarilla" (The Yellow City) because of its yellow-painted buildings, and "La Ciudad de las Tres Culturas" (The City of the Three Cultures) for its combination of pre-Hispanic, colonial, and contemporary influences, Izamal has a rich history and offers visitors a unique blend of cultural experiences.