Milling: three industrial, steam-driven, milling machines. Engraving, c.1861. https://www.rawpixel.com/image/13973806/milling-three-industrial-steam-driven-milling-machines-engraving-c1861Free Image from public domain license
Carved Statue of George Washington in Front of a Building by Arthur F Kales https://www.rawpixel.com/image/14282197/carved-statue-george-washington-front-building-arthur-kalesFree Image from public domain license
Architecture: a dog-leg staircase and details. Engraving by A. Bell. https://www.rawpixel.com/image/13979792/architecture-dog-leg-staircase-and-details-engraving-bellFree Image from public domain license
First Court of the Temple of Karnak] / [Karnak, Premiere Cour du Temple by Antonio Beato https://www.rawpixel.com/image/14275110/photo-image-person-public-domain-buildingFree Image from public domain license
Tinman Triathlon, Mt. Maunganui, 2 December 2018. Original public domain image from Flickr https://www.rawpixel.com/image/8735485/photo-image-public-domain-banner-peopleFree Image from public domain license
Pink terracotta walls and green window. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297386/free-photo-image-terracotta-wall-curtain-architectureFree Image from public domain license
NEW LONDON, Conn. -- The chapel tower of the U.S. Coast Guard Memorial Chapel, located on the U.S. Coast Guard Academy… https://www.rawpixel.com/image/5977069/photo-image-public-domain-construction-buildingFree Image from public domain license
Free lit building windows image, public domain architecture CC0 photo. https://www.rawpixel.com/image/5925117/photo-image-light-public-domain-windowsFree Image from public domain license
Tintern Abbey: The Interior looking East. by Alexander Wilson https://www.rawpixel.com/image/14301779/tintern-abbey-the-interior-looking-east-alexander-wilsonFree Image from public domain license
Town view with river, possibly at Mainz, Germany by C Hertel https://www.rawpixel.com/image/14292770/town-view-with-river-possibly-mainz-germany-hertelFree Image from public domain license
Ruins of Karabelnaia (Ruines de Karabelnaia) by Jean Charles Langlois https://www.rawpixel.com/image/14284245/ruins-karabelnaia-ruines-karabelnaia-jean-charles-langloisFree Image from public domain license
Texas State Capitol - Austin, Texas, USA. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3339371/free-photo-image-architecture-austin-buildingFree Image from public domain license
Colorful starry night sky with the Milky Way and a shooting star over Rye. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3298731/free-photo-image-astronomy-building-cc0Free Image from public domain license
Русский: Икона «Троица» – самое знаменитое произведение гениального русского художника Андрея Рублева. По свидетельству… https://www.rawpixel.com/image/7665275/image-art-vintage-public-domainFree Image from public domain license
Seitliches Portal am Hirschvogelsaal in der Hirschelgasse by W Biede https://www.rawpixel.com/image/14318547/seitliches-portal-hirschvogelsaal-der-hirschelgasse-biedeFree Image from public domain license
Free Museo Nacional del Prado, Madrid, Spain photo, public domain travel CC0 image. https://www.rawpixel.com/image/5924525/photo-image-public-domain-free-cityFree Image from public domain license
Unidentified ruins in desert, probably Egypt by Francis Frith https://www.rawpixel.com/image/14291208/unidentified-ruins-desert-probably-egypt-francis-frithFree Image from public domain license
Queen Elizabeth ii's Lying-in-State and people queueing. 15th September 2022. https://www.rawpixel.com/image/9648655/photo-image-public-domain-2022-londonFree Image from public domain license
Free Ginkakuji, Silver Pavilion, Japan photo, public domain travel CC0 image. https://www.rawpixel.com/image/5907599/photo-image-public-domain-tree-freeFree Image from public domain license