There is an ice cream place just off the square in Corydon called Emery's which is supposed to be really good.
St Meinrad Archabbey is about 35 miles west on hwy 62.
St. Meinrad Archabbey - Wikipedia, the free encyclopedia
Don't have to be Catholic to appreciate the buildings and grounds and they welcome guests. It's one of only 2 Archabbeys in the United States and there are only 11 in the world. Built in 1854.