The capital of the state of the same name, San Luis Potosí is 351km (218 miles) northeast of Guadalajara and is the center of a rich mining and agricultural area. Featured throughout the city are colorful, glazed tiles found on churches, plazas and streets. Good examples are the Church of San Francisco with its blue-and-white tiled dome and a suspended glass boat in the transept, and Carmen, at the Plaza Morelos, with a tiled dome and intricate façade, as well as the Church of San Miguelito in the old part of the city. Other sites include the Palacio de Gobierno (1770), housing paintings of former governors, and the colonial treasury, the Antigua Caja Real (1767).