SEMINOLE — The near-century old mansion sits atop a green hill, visible to all who drive by on State Highway 9. Oil baron William Edward “Doc” Grisso had the home built in the late 1920s for his wife.SEMINOLE — The near-century old mansion sits atop a green hill, visible to all who drive by on State Highway 9. Oil baron William Edward “Doc” Grisso had the home built in the late 1920s for his wife.