It's interesting to delve into differing beliefs and values. A visit to Heiliggeistkirche is a great way to get to know one of the local religions.
You're spoiled for sightseeing choice when in Basel. Heiliggeistkirche is a great place to begin here, but there are lots of other worthwhile attractions to consider. Basel Zoo, Basler Muenster, and Beyeler Foundation are not far from the house of prayer and and will cap off your day nicely.