Cathedrals

13 photos of churches in Vienna, including the Stephansdom, the Stift church, the Votiv church, the newgothic Maria vom Siege church and the Michaeler church.

32 photos of the historic centre of Macau, with many interesting colonial era buildings and sites

29 photos of the Prague castle and the Hradcany area.

22 photos of the Fourviere basilica in Lyon, built in Romanesque and Byzantine styles with a beautifully decorated interior

19 photos of the Ile-de-la-Cite and the district of Marais in central Paris

12 photos of the Montmartre district and the white-domed Sacre Coeur basilica

14 photos of Regensburg, a pleasant Bavarian town with many historical buildings

12 photos of the cathedral of Milan, the seat of the Archbishop of Milan

30 photos of the leaning tower, Campo dei Miracoli with the cathedral and downtown Pisa with the Normale university

28 photos of the basilica of St Peter in Rome which dates back to the 2nd century AD.

13 photos of St. Florian's cathedral in Warsaw's Praga district