Grottes Pétrifiantes de Savonnières, Stalactite cave in France
The Grottes Pétrifiantes de Savonnières feature a variety of calcite formations.
These caves were originally discovered in the 16th century near the city of Tours.
They historically played a role in wine preservation within the Loire Valley.
Guided tours are offered to see the unique geological features.
Contain petrifying wells used for creating limestone casts of objects.
Location: Villandry
Website: grottes-savonnieres.com
Sources: Wikimedia, OpenStreetMap