The Sanctuary in Vicoforte (CN) - The largest oval masonry dome in the world
Website: https://www.santuariodivicoforte.it/
Dome axes: 37.15 x 24.8 m (ratio ~ 1.498)
Dome height: ~19 m
Total height: ~74 m
Material: Masonry
Year of construction: AC 1728-32 (first phase AC 1596-1615)
Buttresses: 8
Designers: F. Gallo (first phase A. Vittozzi)
Architectural style: Baroque
Soil: Marlstone and clay
Boundaries: Isolated structure with 4 bell towers
The Church of S. Caterina in Casale Monferrato (AL)
Website: https://www.santacaterinacasalemonferrato.it/
Axes: Measured 12.82 x 9.51 m (ratio ~ 1.35), declared 15 x 10 m (ratio = 1.5)
Dome height: Measured 7.8 m, declared 4.5 m
Total height: ~32 m
Material: Masonry
Year of construction: AC 1718-26 (choir AC 1500)
Buttresses: 8
Designers: G. Zanetti and G. B. Scapitta
Architectural style: Baroque
Soil: Unknown
Boundaries: Not-isolated structure (e.g., interaction with the choir)