http://www.thehouseontherock.com/

Interesting when you learn the history why it was built. Also, here are some additional ones.

http://www.caveofthemounds.com/attractions.htm

All these are in the southwestern portion of WI.

Beer guy?

http://www.newglarusbrewing.com/

http://thegrumpytroll.com/

http://www.pointbeer.com