20th Century
12th Avenue South Bridge (King County, Washington)
Steel arch bridge over WA 90 (Dearborn Street) on 12th Avenue S in Seattle
14th Avenue South Bridge (King County, Washington)
Lost bascule bridge over Duwamish River on 14th Avenue South in Seattle
A. D. German Warehouse (Richland County, Wisconsin)
The only Frank Lloyd Wright building in his hometown of Richland Center and a highly endangered landmark.
A. W. Gridley House (Kane County, Illinois)
Frank Lloyd Wright designed house, now a private residence.
Abbeville Opera House (Abbeville County, South Carolina)
Historic government building & theater in Abbeville, SC