Saint-Germain Castle is a castle in the municipality of Gruyères of the Canton of Fribourg in Switzerland.

It is a Swiss heritage site of national significance.

[1] In 1998 Swiss surrealist painter, sculptor and set designer H. R. Giger acquired the castle, and it now houses the H. R. Giger Museum and Bar, a permanent repository of his work.

[2] His wife, Carmen Maria Scheifele Giger, is the Director of the H.R.

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