If you're a fan of live theater productions, catch a show at TOPIC. Look online for prices and times.
This arts and culture attraction in Tolosa is well-liked by many travelers, so put it on your to-do list. However, don't end your sightseeing there. There are loads more spots waiting for you to check out after TOPIC. Leidor Aretoa, Mercado del Tinglado, and Plaza Euskal Herria are nearby.