St Maria im Kapitol contributes greatly to the social and religious ways of this area. It's a nice spot to enjoy a moment of contemplation during a busy travel itinerary.
You'll be spoiled for sightseeing choice in Old Town Cologne. St Maria im Kapitol is a great place to start here, but there are numerous other worthwhile attractions to explore. Cologne Cathedral, RheinEnergieStadion, and Old Market are not far from the house of prayer and and will cap off your day nicely.