Whether you'd like to worship or understand more about the history and background of the building, Basilika Birnau is an interesting site to visit. Check to see if this sacred place is open to tourists to experience the calmness inside.
You'll have no end of sightseeing choices when spending time in Uhldingen-Muehlhofen. Basilika Birnau is a great place to start here, but there are loads of other worthwhile attractions to enjoy. Mainau Island, Bodensee-Therme Uberlingen, and Meersburg Castle are near the house of prayer and and will cap off your day nicely.