Daniel Martin Diaz's merges metaphysical, scientific, and technological phenomena into vibrant geometric compositions.

These "Specimens of Fancy Turning" from a 1869 book of albumen silver prints look like antique, mystical spirograph toy ...

Of these paintings, eighty are found in the collections of the National Museum of American History. We present them here, with related diagrams from the artist’s library and papers. National Museum of ...

Because the paintings are often found deep inside caves in spots difficult to get to, it's likely that they were rarely visited and therefore of special importance. One hypothesis is that the art ...