fortification

Alhambra, view from Mirador de San Nicolás Granada, Andalusia, Spain

Amber Fort, Diwan-i-Aam (Public Audience Hall), elephant-shaped corbels Jaipur, Rajasthan, India

Agra Fort, Amar Singh Gate, 2nd inner gate Agra, Uttar Pradesh, India

Amber Fort, Ganesh Gate Jaipur, Rajasthan, India

Amber Fort, Jai Mandir Jaipur, Rajasthan, India

Tower of Belem, northeast elevation Lisbon, Portugal

Moscow Kremlin, view from the Grand Stone Bridge Moscow, Russia

Moscow Kremlin, Annunciation Cathedral, Secret Tower, Archangel Cathedral and Ivan the Great Moscow, Russia

Hohensalzburg Fortress, view from Chapter Square Salzburg, Austria

Alhambra, view from Mirador de San Nicolás Granada, Andalusia, Spain

Wawel Royal Castle, Vistula River Cracow, Lesser Poland, Poland

Hohensalzburg Fortress, Golden Chamber Salzburg, Austria

Agra Fort, walls Agra, Uttar Pradesh, India

Jaisalmer Fort, Chandraprabhu Jain Temple, mandapa Jaisalmer, Rajasthan, India

Amber Fort, Sattais Kacheri (Court of 27 Pillars) Jaipur, Rajasthan, India

Mehrangarh, Fateh Mahal Jodhpur, Rajasthan, India

Alhambra, Nasrid Palaces, Comares Palace, Court of the Myrtles Granada, Andalusia, Spain

Wawel Royal Castle, Cathedral, Sigismund Tower, Clock Tower and Silver Bell Tower Cracow, Lesser Poland, Poland

Jaisalmer Fort, Bairi Sal Tower Jaisalmer, Rajasthan, India

Agra Fort, Roshan Ara Pavilion Agra, Uttar Pradesh, India

Wawel Royal Castle, caponier, Sigismund Tower and Clock Tower Cracow, Lesser Poland, Poland

Heath Tower, with remains of the city wall Speyer, Rhineland-Palatinate, Germany

Moscow Kremlin, Kutafya Tower, west elevation Moscow, Russia

Mehrangarh, east elevation Jodhpur, Rajasthan, India

Amber Fort, Ganesh Gate, detail of the gate's iwan Jaipur, Rajasthan, India

Amber Fort, Jai Mandir, behind charbagh Jaipur, Rajasthan, India

Tower of Belem, northeast elevation Lisbon, Portugal

Moscow Kremlin, Water Pump Tower & Grand Palace seen from the Grand Stone Bridge Moscow, Russia

Amber Fort, Diwan-i-Aam (Public Audience Hall) Jaipur, Rajasthan, India

Moscow Kremlin, Water Pump Tower, southwest elevation Moscow, Russia

Hohensalzburg Fortress, Golden Hall, door Salzburg, Austria

Wawel Royal Castle, Vistula River Cracow, Lesser Poland, Poland

Amber Fort, above the Maotha Lake Jaipur, Rajasthan, India

Amber Fort, Sattais Kacheri (Court of 27 Pillars) Jaipur, Rajasthan, India

Alcazar of Jerez de la Frontera, Arabic baths Jerez de la Frontera, Andalusia, Spain

Amber Fort, Ganesh Gate, Suhag Mandir, jali Jaipur, Rajasthan, India

Moscow Kremlin, view from the Grand Stone Bridge Moscow, Russia

Tower of Belem, turret Lisbon, Portugal

Moscow Kremlin, Cathedral of the Archangel Michael and Ivan the Great Bell Tower Moscow, Russia

Hohensalzburg Fortress, Golden Hall, columns Salzburg, Austria

Wawel Royal Castle, Senator Tower Cracow, Lesser Poland, Poland

Jaisalmer Fort, Bairi Sal Tower Jaisalmer, Rajasthan, India

Moscow Kremlin, Borovitskaya Tower, northwest elevation Moscow, Russia

Hohensalzburg Fortress, Saint George's Church, interior Salzburg, Austria

Agra Fort, Musamman Burj Agra, Uttar Pradesh, India

Amber Fort, Sukh Niwas (Hall of Pleasure) Jaipur, Rajasthan, India

Hohensalzburg Fortress, Golden Chamber, door Salzburg, Austria

Jaisalmer Fort, Chandraprabhu Jain Temple, Chandraprabhu idol Jaisalmer, Rajasthan, India

Moscow Kremlin, Trinity Tower, west elevation Moscow, Russia

Amber Fort, Jai Mandir, flower relief and marble inlay work of a column Jaipur, Rajasthan, India

Tower of Belem, east elevation Lisbon, Portugal

Alcazar of Jerez de la Frontera, Arabic baths Jerez de la Frontera, Andalusia, Spain

Moscow Kremlin, view from Sofiyskaya Embankment Moscow, Russia

Alcazar of Jerez de la Frontera, Patio das Armas Jerez de la Frontera, Andalusia, Spain

Amber Fort, Diwan-i-Aam (Public Audience Hall) Jaipur, Rajasthan, India

Moscow Kremlin, Grand Kremlin Palace, south elevation Moscow, Russia

Hohensalzburg Fortress, cannon corridor Salzburg, Austria

Alcazar of Jerez de la Frontera, Mosque Jerez de la Frontera, Andalusia, Spain

Moscow Kremlin, Corner Arsenal Tower, north elevation Moscow, Russia

Hohensalzburg Fortress, Golden Hall, column Salzburg, Austria

Wawel Royal Castle Cracow, Lesser Poland, Poland

Jaisalmer Fort, Royal Palace (Raj Mahal), women's quarters (zenana), northeast elevation Jaisalmer, Rajasthan, India

Moscow Kremlin, Kutafya Tower, with Trinity Tower in the background Moscow, Russia

Hohensalzburg Fortress, Golden Chamber, coffer Salzburg, Austria

Agra Fort, Amar Singh Gate, outer gate Agra, Uttar Pradesh, India

Amber Fort Jaipur, Rajasthan, India

Amber Fort, Sukh Niwas (Hall of Pleasure), interior Jaipur, Rajasthan, India

Moscow Kremlin, Saviour Tower (Spasskaya), northeast elevation Moscow, Russia

Hohensalzburg Fortress, Golden Chamber, detail of a door Salzburg, Austria

Jaisalmer Fort, Chandraprabhu Jain Temple, mandapa cupola detail Jaisalmer, Rajasthan, India

Alcazar of Jerez de la Frontera, Arabic baths Jerez de la Frontera, Andalusia, Spain

Amber Fort, Ganesh Gate, Suhag Mandir, jali detail Jaipur, Rajasthan, India

Tower of Belem, turret of the tower top Lisbon, Portugal

Alcazar of Jerez de la Frontera, gardens with Villavicencio palace Jerez de la Frontera, Andalusia, Spain

Amber Fort, Jalebi Chowk, Sun Gate (Suraj Pol), inside Jaipur, Rajasthan, India

Alcazar of Jerez de la Frontera, Mosque Jerez de la Frontera, Andalusia, Spain

Amber Fort, Diwan-i-Aam (Public Audience Hall), elephant-shaped corbels Jaipur, Rajasthan, India

Moscow Kremlin, Corner Arsenal Tower, west elevation Moscow, Russia

Hohensalzburg Fortress, Golden Hall, door Salzburg, Austria

Jaisalmer Fort, Sun Gate (Suraj Pol) Jaisalmer, Rajasthan, India

Moscow Kremlin, Ivan the Great Bell Tower and First Nameless Tower Moscow, Russia

Musegg wall, Dächli Tower Lucerne, Switzerland

Amber Fort, Sukh Niwas (Hall of Pleasure) Jaipur, Rajasthan, India

Moscow Kremlin, Middle Arsenal Tower, Grotto Moscow, Russia

Hohensalzburg Fortress, Golden Chamber, door Salzburg, Austria

Amber Fort, Sukh Niwas (Hall of Pleasure), reliefs Jaipur, Rajasthan, India

Moscow Kremlin, Trinity Tower, from Alexander Garden Moscow, Russia

Hohensalzburg Fortress, large castle courtyard Salzburg, Austria

Amber Fort, Ganesh Gate, Suhag Mandir Jaipur, Rajasthan, India

Amber Fort, Jai Mandir, flower relief and marble inlay work of a column Jaipur, Rajasthan, India

Tower of Belem, bastion with turret Lisbon, Portugal

Alcazar of Jerez de la Frontera, walls Jerez de la Frontera, Andalusia, Spain

Amber Fort, Jalebi Chowk, view of Lion's Gate and Jaigarh Fort Jaipur, Rajasthan, India

Moscow Kremlin, view from the Grand Moskva Bridge Moscow, Russia

Tower of Belem, balcony of the north elevation Lisbon, Portugal

Alcazar of Jerez de la Frontera, Patio das Armas Jerez de la Frontera, Andalusia, Spain

Amber Fort, Diwan-i-Aam (Public Audience Hall) Jaipur, Rajasthan, India

Moscow Kremlin, Cathedral of the Archangel Michael and Ivan the Great Bell Tower Moscow, Russia

Hohensalzburg Fortress, Golden Hall Salzburg, Austria

Moscow Kremlin, Borovitskaya Tower, west elevation Moscow, Russia