Potomac Round Point, Washington D.C., Plan Sketch by D.H. Burnham & Co. (Architect) https://www.rawpixel.com/image/8938095/image-paper-compass-architectureFree Image from public domain license
Building with scaffolding, Place de La Madeleine by Hippolyte Bayard https://www.rawpixel.com/image/14312649/building-with-scaffolding-place-madeleine-hippolyte-bayardFree Image from public domain license
Architectural Project for the Church of the Madeleine by Etienne Louis Boullée https://www.rawpixel.com/image/14264223/architectural-project-for-the-church-the-madeleine-etienne-louis-boulleeFree Image from public domain license