In 1569, envoys from Poland and Lithuania met on a lawn in Lublin and signed the union that created one of the largest states in Renaissance Europe. This self-guided walking tour lets you explore that legacy at your own pace, entirely from your smartphone — no app needed, no physical guide required. Follow the smart map while an audio guide narrates the stories behind the Gothic castle, medieval gates and the city's vanished Jewish quarter, unlocking fun facts and quizzes at each stop. Walk at your own pace on a flexible route built for solo travellers, couples or groups alike.