National Geographic
Not part of a collection.
Into the Lost Crystal Caves
NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as Superman's fortress, with magnificent crystals up to 36 feet long and weighing 55 tons. A team of experts venture into the cavern, enduring scorching-hot temperatures that could kill a human after just 15 minutes of exposure. They'll push the boundaries of physical limitation to explore a crevasse that could lead to another - and perhaps more spectacular - crystal cave.
- Original title
- Into the Lost Crystal Caves
- Language
- EN
- Country
- CA,MX,US
- Budget
- —
- Revenue
- —
Robin Ward
Narrator (voice)
Gary Lang
Director
Gary Lang
Writer
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