Engis, Italy
The Grotte de Rosée (Cave of Rosée) is located near Éhein in the municipality of Engis, in Belgium. It has been classified as Wallonia's patrimoine immobilier exceptionnel de la Région wallonne ('exceptional heritage of Wallonia'), and can be visited only by accredited scientists. It houses a set of
concretions which is unique in Belgium.
Listen to the audio guide for Grotte de Rosée Free on WIP — starts by itself when you arrive, even with the screen off