One of the most striking landmarks in central San Luis is the city’s former prison compound, built in the 1890s out of locally quarried stone. Its twin fortress-like turrets and crenellated ramparts make for an imposing sight (and occupy some seriously prime downtown real estate). So when the facility was decommissioned in 1999, city officials wisely sensed an opportunity—and a decade later, the prison was transformed into the Centro de las Artes de San Luis Potosí, a sanctuary for visual arts, dance, and music. Every hidden corner of the complex now bursts with creativity, with artworks mounted in former jail cells, resident artists at work on sculpture installations, and a constant stream of performances and events, from ballet recitals to documentary screenings. The art itself draws power and impact from the dramatic surroundings—vast courtyards, now zero-scaped with succulents; outdoor corridors flanked by 30-foot stone walls painted dusky rose. You can easily spend a few hours exploring the grounds, peeking in on exhibits, perhaps taking a tour (English-language guides are available by special request), and ideally timing your visit with a play or live concert.