You needn't be religious to appreciate the tranquil atmosphere of St. Rumbolds Cathedral. Ask when the next service is scheduled or when you can go for a wander through.
If you're staying a while in Mechelen, St. Rumbold's Cathedral is a good place to kick off your exploring. This principal church is one of numerous attractions that'll keep you on the go here. Tomorrowland, Planckendael Zoo, and Technopolis are also ready to be explored nearby.