Tap into the culture lover within at Museo Palacio de Don Pedro I. See if any guided tours are available or ask a museum employee to direct you to a few highlights.
If you're planning to stick around a while in Astudillo, Museo Palacio de Don Pedro I is an interesting place to start your exploring. This museum is one of many attractions that'll keep you busy here. Castillo de Astudillo, and Iglesia de Santa Eugenia are also waiting to be explored close by.