You better believe I am going to look into this some more
The Ideal Palace of Postman Cheval was planned for twelve years and built for thirty-three. Like many of the concrete parks of Wisconsin (a topic for further posts, to be sure) it was constructed by hand with materials salvaged by the builder. You can read more in the great Stopping Off Place blog.
As Facteur Cheval said, "Let those who think they can do better try."