Get in touch with your spiritual side and mingle with worshippers at Iglesia de San Cayetano. Sit in quiet reflection outside for a few moments or ask if you are allowed to join the next service.
You'll have no end of sightseeing choices when spending time in Guanajuato. Iglesia de San Cayetano is a good place to start here, but there are numerous other worthy sights to check out. Juarez Theater, Union Garden, and Alley of the Kiss are close to the house of prayer and and will cap off your day nicely.