Sounds like a great road trip. I’ve seen all of those places years ago but it would be fun to see them again. An office in Erie? Did Frank ever have an office in Erie?
The Hagen History Center in Erie, PA has just opened a new permanent exhibit which features Wright's San Francisco office. The architect use the office when he tended to Bay Area projects from 1951 until 1959. Visit this link for more info > franklloydwright.org/celebrating-frank-lloyd-wrights-birthday-in-style-in-erie-pennsylvania/