Wawel Cathedral, also known as Katedra Wawelska and the Cathedral Basilica of Saints Stanislaus and Wenceslaus, crowns Wawel Hill above the Vistula and condenses a millennium of Polish royal memory into one stop, from tomb chapels to the route toward the Sigismund Bell tower.
Start with a guided admission format for your first visit, because it bundles entry with context, helps you plan around liturgy windows, and usually keeps the day smoother on busy dates.