Royal lion emblem fresco and fortifications above entrance of the Alcazar, Seville, Andalusia, Spain, Europe

The Royal Air Force Bomber Command Memorial, Green Park, Piccadilly, London, England, United Kingdom, Europe

Replica of the first Ictineo submarine, in Maritime Museum, Royal shipyards, Drassanes, Catalonia, Spain

Royal Palace gate, Muscat, Oman, Middle East

Royal emblem of Oman, Al Alam Palace of Sultan Qaboos, Muscat, Sultanate of Oman, Arabia, Middle East

RAAF Royal Australian Airforce flag blowing in the wind

Royal Mail sign on an English post vehicle, Hemingford Gray, Cambridgeshire, England, United Kingdom, Europe

Flag of the UK Royal Air Force waving in the wind

Royal coat of arms and logo of the old Hof Apotheke pharmacy, Sofienstrasse 11, Heidelberg, Baden-Wuerttemberg, Germany, Europe

Coat of arms, Palacio Real de la Magdalena, Royal Palace, university buildings, Universidad Internacional Menendez Pelayo, Santander, Cantabria, Spain, Europe

House and royal coats of arms of the old Hof Apotheke, Sofienstrasse 11, Heidelberg, Baden-Wuerttemberg, Germany, Europe

Facade of the city hall, 16th century, with the Bavarian royal coat of arms, 1806, Burghausen, Upper Bavaria, Germany, Europe

Royal Courtyard at Night, Vienna, Austria

Exterior and courtyard views of Fort Frederik, now a tourist draw in Frederiksted, St, Croix. Built between 1752 and 1760 and now a historical museum, Fort Frederik was named the then reigning Danish monarch.