[maryz]

I see what you mean! I never heard of the “salt mine cathedral in Poland,” though — is there a story there?

[Straight Vermonter]

Yes!

http://www.googobits.com/articles/2668-the-wielizka-mine-an-underground-cathedral-in-salt.html

Video here:

http://www.youtube.com/watch?v=LnhjKD4pezw