You needn't be of strong faith to appreciate the serene atmosphere of Holy Trinity Russian Orthodox Cathedral. Check when the next mass starts or when you can go for a wander through.
If you're planning to stick around a while in West Town, Holy Trinity Russian Orthodox Cathedral is an interesting place to start your exploring. This principal church is one of numerous attractions worth checking out here. Wrigley Field, Millennium Park, and Willis Tower are also waiting to be explored nearby.