pilgrimage church birnau, lake constance, uhldingen-muehlhofen, baden-wuerttemberg, germany

architecture attraction baden baroque basilica birnau building cathedral catholic christianity church cloud cloudy constance cultural culture day destination district europe famous footpath german germany grape grapevine green historic historical lake landmark monastery nature nobody outdoor outside photography pilgrimage roman sacral site sky swabia tourism tourist travel tree upper vine wuerttemberg