Mark Dylan Sieber blogs about the watercolors of 'outsider' artist Charles Dellschau.

Sieber writes that 40 years after Dellschau's death "a student discovered over a dozen notebooks, each filled with his vibrant watercolors of imaginary zeppelins and dirigibles, crafted into collages with newspaper clippings and photographs. Years later, an unlikely researcher and UFO enthusiast would unlock further elements of the intrigue: the annotated text and journal entries that accompanied the over 2,500 images created an epic piece of science fiction, not unlike that of Henry Darger."