The quarry building is the scene of Pípila's heroism in the war of independence. Now it is a Regional Museum that exhibits bronze busts of the heroes of the independent movement. In addition to other pre-Hispanic exhibits, the museum has rooms dedicated to the culture and history of Guanajuato. The entrance price is $65 pesos and it opens its doors from Tuesday to Sunday from 9 a.m. to 5 p.m. to 3 p.m.