Take in the grandeur of Holy Trinity Cathedral. Schedule in a service if you can or simply wander around and enjoy the serenity.
This Sibiu Old Town principal church is an interesting place to kick off your day of sightseeing. There's plenty to do and see in the vicinity, such as Piata Mare, Liar's Bridge, and Dumbrava Sibiului Natural Park. Take your time at Holy Trinity Cathedral before making tracks to these other fine sights.