This is just so cool looking!
http://tinyurl.com/2hzehg April 9, 2007-Geologist Juan Manuel García-Ruiz calls it "the Sistine Chapel of crystals," but Superman could call it home.
A sort of south-of-the-border Fortress of Solitude,
Mexico's Cueva de los Cristales (Cave of Crystals) contains some of the world's largest known natural crystals-
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