Explore on MSN11h
The Mystical Underground River In Mexico Where You Can Swim Beneath A Cave Full Of CrystalsMexico holds many enchanting destinations south of the border, including this underground river where you can swim in a cave ...
Sciencing on MSN6d
The Beautiful Crystal Cave That's Actually A Potential Death TrapDeep under the Chihuahuan Desert is a natural wonder, a cave filled with beautiful giant crystals, but which also happens to be a potential death trap.
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