Completed in 1855 and named after the governor of Puerto Rico at the time (the Count of Mirasol), the Museo Fortín Conde de Mirasol (free, donations suggested; t787/741-1717) served as a barracks and prison before ending up as a beautifully restored museum, surrounded by gardens and battlements offering distant views of the cloud-topped peaks of El Yunque.
Although the collection inside is fairly modest, displays are enhanced by original wooden floors, exposed brick walls and timbered ceilings. Upstairs you’ll find local artwork and artefacts from the prehistoric and Taíno periods: ceramics and stone tools, the esoteric cemí and striking jade amulets. Other exhibits include historic photos of the town, local art, old Spanish weapons and coins and an explanation of the fort’s restoration. From the plaza take PR-989 up the hill to get to the fort – you can park on site.