| Title | Creator | Date | Era | City | Country | |
|---|---|---|---|---|---|---|
| Johnson Wax Building | Architect: Frank Lloyd Wright | 1939 | 1900 - 1950 | Racine | United States | |
| Sainte-Chapelle | Architect: Anonymous | 1248 | Paris, Ile de la Cite | France | ||
| Burgos Cathedral Crossing | Architect: Unknown | 1569 circa | 1500s | Burgos | Spain | |
| Blue Steps of Naumkeag | Landscape Designer: Fletcher Steele | 1937-39 | 1900 - 1950 | Stockbridge, MA | United States | |
| National Farmers' Bank | Architect: Louis Sullivan | 1907 | 1900 - 1950 | Owatonna MN | United States |
