gary60s updated Round Barn with a new update entry: more sketches and pdfs Read the rest of this update entry...
In Santa Rosa there was the Fountaingrove round barn built in 1899 here: https://www.google.com/maps/@38.4755556,-122.7272211,208m/data=!3m1!1e3 If you go to the street view, however, it no longer shows up...destroyed in 2017 by the Tubbs fire: https://heavy.com/news/2017/10/santa-rosa-round-barn-fire-history-photos/