If you've got a hankering for some mental stimulation, make sure you check out Getulio Vargas Museum. Whether it's history, culture or beliefs, you'll find lots of thought-provoking displays to keep your mind active here.
Once you've ticked this collection of historical artifacts in São Borja off your must-do list, why not head over to Joao Goulart Museum? It's near Getulio Vargas Museum and is one of the area's best sights.