"Interior of the Romanesque St. Peter's Cathedral, 13th century, with crucifix, Osnabruck, Lower Saxony, Germany, Europe"

"Subsidiary Church of St. Peter and Paul with onion dome, Kirchberg, Upper Bavaria, Bavaria, Germany, Europe"

"Interior of St. Peter's Basilica, Vatican City, Rome, Italy, Europe"

Dome, interior of St. Paul's Cathedral, Mdina, Malta, Europe

"Schleswig Cathedral or Cathedral of St. Peter, oak altar by Hans Brueggemann manufactured 1514-1521, Schleswig-Holstein, Germany, Europe"

Interior of monastery Church of St. Peter and Paul in Weyarn, Upper Bavaria, Bavaria, Germany, Europe

Altar room of the Cathedral of St. Paul, Mdina, Malta, Europe

Altar room of the Cathedral of St. Paul, Mdina, Malta, Europe

Interior of St. Paul's Cathedral, Münster, North Rhine-Westphalia, Germany, Europe

Naumburg Cathedral St. Peter and Paul above the roofs of the Old Town, Naumburg, Saxony-Anhalt, Germany, Europe

Interior view, nave of the Romanesque Cathedral of St. Peter, Worms Cathedral, Worms, Rhineland-Palatinate, Germany, Europe

Cathedral of St. Peter, Fritzlar, Kassel region, Hesse, Germany, Europe, PublicGround, Europe

Cathedral of St. Peter and Paul, interior, Constanța, Romania, Europe