POL: St. John's Archcathedral
Kanonia 6, Warsaw, Poland Mon-Sat: 6.00am - 8.00pm Sun: 7.00am - 10.00pm Situated at the lively Warsaw Old Town is St. John's Archcathedral. It's one of the three cathedrals in the capital city, which is also the mother church of the archdiocese of Warsaw. Founded in 1390, the building originally served as a site for royal coronation and burial for a number of Dukes of Masovia.