A restored tower of the Chateau de la Madeleine, overlooking the valley of Chevreuse, Yvelines, France. Original public… https://www.rawpixel.com/image/3340795/free-photo-image-archaeology-architecture-brick Free Image from public domain license
western towers of Alcazaba ("fortress") of the Alhambra, Granada, Spain. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3340613/free-photo-image-archaeology-architecture-building Free Image from public domain license
The main eastern entrance of the Rethymno "fortezza", Crete, Greece. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3340617/free-photo-image-arch-archaeology-arched Free Image from public domain license
India: ruins of main breach and Cashmere Gate and bastion, near Delhi. Photograph by F. Beato, c. 1858. https://www.rawpixel.com/image/14021327/photo-image-sky-public-domain-wall Free Image from public domain license
Cliff Palace, Mesa Verde National Park, Colorado (vertical orientation). Original public domain image from Flickr https://www.rawpixel.com/image/8802835/photo-image-nature-cross-vintage Free Image from public domain license
Cyprus Ayia Varvara, near Ayia Napa. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338792/free-photo-image-archaeology-architecture-brick Free Image from public domain license
Alcazaba, Alhambra, Granada, Spain. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3340625/free-photo-image-abies-archaeology-architecture Free Image from public domain license
Gezicht op Château de Coucy, Frankrijk (c. 1870 - c. 1890) by Séraphin Médéric Mieusement and Adolphe Giraudon https://www.rawpixel.com/image/13752668/photo-image-paper-sky-public-domain Free Image from public domain license
President Trump's Trip to AsiaFirst Lady Melania Trump visits China | November 10, 2017 (Official White House Photo by… https://www.rawpixel.com/image/4049187/photo-image-nature-wall-building Free Image from public domain license
Industrial structures in the desert mountainside of Masada National Park. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3287703/free-photo-image-archaeology-architecture-building Free Image from public domain license
Corner view showing mostly left wall, "Church, Acoma Pueblo [National Historic Landmark, New Mexico]." Photographer: Adams… https://www.rawpixel.com/image/8803077/photo-image-plant-grass-nature Free Image from public domain license
Predjama Castle. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3337790/free-photo-image-architecture-building-bunker Free Image from public domain license
The pictures of teh Rock of Cashel (Tipperary) were taken on our honeymoon around Ireland in 2009. Original public domain… https://www.rawpixel.com/image/3371007/free-photo-image-architecture-asphalt-building Free Image from public domain license
Architecture building fortress castle. https://www.rawpixel.com/image/14363552/architecture-building-fortress-castle View license
Tower of David, Jerusalem by James Robertson, Felice Beato and Antonio Beato https://www.rawpixel.com/image/14318529/tower-david-jerusalem-james-robertson-felice-beato-and-antonio-beato Free Image from public domain license
Ancient Hopi Village of Wolpi. The Hopi Reservation Occupies the Center of the Much Larger Reservation of Northeastern… https://www.rawpixel.com/image/8803094/photo-image-nature-soil-vintage Free Image from public domain license
The World Factbook - AfghanistanView of Shahr-i-Zohok (the "Red City") in Bamyan Province. The color comes from the red… https://www.rawpixel.com/image/4051600/photo-image-nature-mountain-building Free Image from public domain license
The World Factbook - AlbaniaStairs leading up to the Castle in Kruje where Skanderbeg and his troops withstood three sieges… https://www.rawpixel.com/image/4051479/photo-image-person-wall-building Free Image from public domain license
Madura. The Civil Hospital, Once a Gate of the Old Fort. by Capt Linnaeus Tripe https://www.rawpixel.com/image/14321316/madura-the-civil-hospital-once-gate-the-old-fort-capt-linnaeus-tripe Free Image from public domain license
Old Fort San Marco. by Florida Club Charles Seaver Jr and George Pierron https://www.rawpixel.com/image/14290874/old-fort-san-marco-florida-club-charles-seaver-and-george-pierron Free Image from public domain license
Treetops near an old brick building in Cambridge. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297091/free-photo-image-building-wall-abies-architecture Free Image from public domain license
Tour Saint-Nicolas, old harbor of La Rochelle, Charente-Maritime, France. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3340804/free-photo-image-architecture-building-bunker Free Image from public domain license
Rear of the North Fort after its capture, showing the Retreat of the Chinese Army by Felice Beato https://www.rawpixel.com/image/14324483/photo-image-background-person-public-domain Free Image from public domain license
Qutb Minar. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3303211/free-photo-image-archaeology-architecture-building Free Image from public domain license
Michael Johnson at Martello Tower, Guernsey by Eric Lee Johnson. https://www.rawpixel.com/image/13031150/michael-johnson-martello-tower-guernsey-eric-lee-johnson Free Image from public domain license
Architecture building wall fortification. AI generated Image by rawpixel. https://www.rawpixel.com/image/12007173/image-background-paper-watercolor View license
Raglan Castle - Donjon Tower, from Outer Court. by Francis Bedford https://www.rawpixel.com/image/14306745/raglan-castle-donjon-tower-from-outer-court-francis-bedford Free Image from public domain license
A View of the Acropolis as Seen as Secretary Kerry Toured the Temple of Hephaestus With Dr. Daly in Athens. https://www.rawpixel.com/image/4043549/photo-image-plant-nature-mountain Free Image from public domain license
PNG Fortification architecture sandcastle building. AI generated Image by rawpixel. https://www.rawpixel.com/image/12937431/png-white-background View license
Edinburgh. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3370925/free-photo-image-apartment-building-arch-arched Free Image from public domain license
Gravestone outdoors fortification architecture. https://www.rawpixel.com/image/14372357/gravestone-outdoors-fortification-architecture View license
Landmark fortification architecture archaeology. AI generated Image by rawpixel. https://www.rawpixel.com/image/12689070/photo-image-cloud-plant-sky View license
Wall fortification architecture archaeology. AI generated Image by rawpixel. https://www.rawpixel.com/image/12438003/image-background-paper-cartoon View license
Architecture staircase building temple. AI generated Image by rawpixel. https://www.rawpixel.com/image/12013634/image-white-background-sky View license
Torreón de Peñerudes. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338717/free-photo-image-ruins-architecture-building Free Image from public domain license
Constructed in 1881, these brick beehive-shaped charcoal kilns produced charcoal for use as blast furnace fuel at the Hecla… https://www.rawpixel.com/image/3260471/free-photo-image-architecture-beaverhead-deerlodge-national-froest-building Free Image from public domain license
[(---illeg.) watch towers & Look-out - Fort San Marco St. Augustine Fla. by William Henry Jackson and Co https://www.rawpixel.com/image/14307069/photo-image-plant-public-domain-towers Free Image from public domain license
Misty view of Keiss Castle, Scotland https://www.rawpixel.com/image/1230449/castle-ruins-scotland View license
Landmark travel wall fortification. https://www.rawpixel.com/image/13338742/landmark-travel-wall-fortification View license
Close View of the Back Side of the Ramasseum by Théodule Devéria https://www.rawpixel.com/image/14326631/close-view-the-back-side-the-ramasseum-theodule-deveria Free Image from public domain license
Close-up View of Tothmes III's Covered Walk, Karnak by Théodule Devéria https://www.rawpixel.com/image/14326243/close-up-view-tothmes-iiis-covered-walk-karnak-theodule-deveria Free Image from public domain license
Ruins of Urquhart Castle near Loch Ness. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3289131/free-photo-image-green-animal-architecture Free Image from public domain license
Predjama Castle. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338422/free-photo-image-architecture-bench-building Free Image from public domain license
Tomb Under the Gebel El-Mukattab, Cairo by Francis Frith https://www.rawpixel.com/image/14323970/tomb-under-the-gebel-el-mukattab-cairo-francis-frith Free Image from public domain license
Ancient Ruins in the Cañon of the Mancos by William Henry Jackson https://www.rawpixel.com/image/14282777/ancient-ruins-the-canon-the-mancos-william-henry-jackson Free Image from public domain license
Carew Castle - State Apartments in Inner Court. by Francis Bedford https://www.rawpixel.com/image/14306868/carew-castle-state-apartments-inner-court-francis-bedford Free Image from public domain license