Austria, Salzburg, Michaelskirche or St Michael's Church, Bell tower.

Austria, Salzburg, Residenz Palace, View of the facade through an arch.

Austria, Salzburg, Salzburg Cathedral with the Residenzbrunnen or Residenz Fountain.

Austria, Salzburg, Salzburg Cathedral with the Residenzbrunnen or Residenz Fountain.

Austria, Salzburg, Salzburg Cathedral with the Residenzbrunnen or Residenz Fountain.

Austria, Salzburg, General view of the city and river Salzach from the Festung Hohensalzburg Fortress above the city with hills in the background.

USA, Massachusetts, Boston, Pierce Hichborn House, North Square, North End.

USA, Massachusetts, Boston, Sign outside Pierce Hichborn House, North Square, North End.

USA, Massachusetts, Boston, Sign outside Paul Revere House, 19 North Square, North End.

USA, Massachusetts, Boston, Paul Revere House, 19 North Square, North End.

USA, Massachusetts, Boston, Custom House, McKinley Square.

Iceland, Reykjavik, Parliament Building, Althingishusid, Austurvollur Square.