You might want to spend some time browsing the exhibits at Municipal Museum of Modern Art, Juan Cornelio Moyano Natural Sciences and Anthropology Museum, or Museo Histórico General San Martín. Sights like San Francisco Ruins, Basilica de San Francisco, and Teatro Independecia are must-sees while exploring the area. You can wander around Reserva Natural Villavicencio, General San Martin Park, or Parque General San Martín if you want a dose of fresh air.