I found information about another secret stash of puppets, which are actually very public - but it is not well known. The source of the information is from Amazing Figure Modeler Magazine: Issue 37
The title of the article is of Armatures and Argonauts by Mike Falcigno. In the article you learn that most of Ray Harryhausens puppets and bronze sculptures sit in Germany as part of a large collection. The curator of the collection is currently Dr. Rolf Giesen.
Not much was known about this collection, but according to my chat with Mike the museum caters to German cinema. Since Ray Harryhausen is not German, they tend not to either want to promote the collection, or simply don't understand its potential. Just recently "as of October 2006" the museum was going to close part of the collection. They then got a grant and have the ability to keep it on display for about another 10 years.
Another interesting bit of information is that Ray Harryhausen…