Ancient stone carvings have long captured the imagination of historians and enthusiasts alike, with some suggesting these artworks depict aircraft-like machines. The presence of such carvings in ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This collection consists of duplicate ...

From the myth of Icarus to the sketches of Leonardo Da Vinci's ornithopter, humanity has looked to the sky since first watching birds take wing. History is dotted with ill-advised attempts to achieve ...