Take a distillery tour to see how bourbon is made and attend a tasting. Typically these need to be booked in advanced. Below are some options within the city, but there are several others within 30-45 minutes of town.
Angles Envy, Peerless, Old Forester, Rabbit Hole
Lou City FC will be playing Loudoun United FC at Lynn Family Stadium on September 6th if you plan on arriving early.
Art Museum on University of Louisville's Campus. Free on Sundays.
Walk the pedestrian bridge to Indiana.
An Olmstead park with a paved scenic loop and hiking/biking trails.