My mind is totally blown by Dubuque grotto-maker Madeline Buol's work which I just discovered back in October while researching online (I've never heard anyone in Dubuque mention her). Previously located on Garfield St in Dubuque, the works are currently part of collection of The Kohler Foundation in Wisconsin. Discoveries like these are part of the reason I embarked on this project. Amazing and inspiring.
You can read more about the preservation of site here. And see more pictures on my site Grotto Sites page here.
