1000 ft. under the desert in Mexico, they've discovered a cave filled with enormous crystals.
I mean really enormous. Tree-sized. The longest is 37.5 ft. Wouldn't you love to run around this place?
Unfortunately, the cave stays at 112 °F (50 °C) and has 100% humidity. I don't think they're going to turn this place into Carlsbad Caverns anytime soon.
But wow. This one of those cases where reality did something that you could not put in a book and make people believe was real.
The following YouTube video shows still shots, but they're pretty amazing, regardless.