Castle of the Teutonic Order in Malbork, UNESCO World Heritage Site, Pomeranian Voivodeship, Poland, Europe

Colonnade in roofless 13th century Gothic Cistercian Abbey of San Galzano, Chiusdino, Tuscany, Italy, Europe

Ruins, Cistercian Monastery, Founded 1202, Carta, Sibiu County, Transylvania Region, Romania, Europe

External Frescoes, Sucevita Monastery, 1585, UNESCO World Heritage Site, Sucevita, Suceava County, Romania, Europe

Christian pilgrims on the Camino de Santiago (St. James' Way) route in Roncesvalles, Navarre,Spain, Europe

Crail, East Neuk of Fife, Scotland, United Kingdom, Europe

Piazza del Duomo with the cathedral and the triumphal arch of the Galleria Vittorio Emanuele II, Milan Cathedral, Metropolitan City of Milan, Metropolitan Region, Lombardy, Italy, Europe

Mausoleum of Archduke Johann of Austria in Schenna near Meran, South Tyrol

Colorful faience tiles in the central prayer hall of Shah or Imam, Emam Mosque at Meidan-e Emam, Naqsh-e Jahan, Imam Square, UNESCO World Heritage Site, Esfahan, Isfahan, Iran, Persia, Asia

Colorful faience tiles in the central prayer hall of Shah or Imam, Emam Mosque at Meidan-e Emam, Naqsh-e Jahan, Imam Square, UNESCO World Heritage Site, Esfahan, Isfahan, Iran, Persia, Asia

Darvaze-ye Qoran, Quran Gate of Shiraz, Fars, Persia, Iran, Asia

West window at the cathedral of Altenberg, NRW, Germany

Square with pointed arch, gate, minaret, dome, Sultan Qaboos Grand Mosque, Muscat capital, Sultanate of Oman, gulf states, Arabic Peninsula, Middle East, Asia

Square with pointed arch, gate, minaret, Sultan Qaboos Grand Mosque, Muscat capital, Sultanate of Oman, gulf states, Arabic Peninsula, Middle East, Asia

Arches, Bellapais Abbey, Kyrenia, Northern Cyprus, Europe

Bellapais Abbey, Kyrenia, Northern Cyprus, Europe

Oasis Kashgar, the capital of Uigur culture, Xinjiang, China, Asia

Christmas market, Freiburg, Baden-Wuerttemberg, Germany, Europe

Bellapais Abbey, Kyrenia, Northern Cyprus, Europe

Bellapais Abbey, Kyrenia, Northern Cyprus, Europe

Pavilion of Pol-e Khaju Bridge, Isfahan, Esfahan, UNESCO World Heritage Site, Persia, Iran, Asia

Large square with pointed arch, gates, minaret, Sultan Qaboos Grand Mosque, Muscat capital, Sultanate of Oman, gulf states, Arabic Peninsula, Middle East, Asia

Historic city wall, Worms, Rhineland-Palatinate, Germany, Europe

Johanniskloster monastery, Unesco World Heritage Site, Stralsund, Mecklenburg-Western Pomerania, Germany, Europe

The Kuhtor (Cow Gate), the oldest gate in the historic city fortifications, Rostock, Germany