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Mysterious Life of Caves

Jewel of the Underground

Intro | Chambers: 1 |   | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12

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Glacier Bay photo

Glacier Bay
Glacier Bay got its name for the towering blocks of gypsum that lean from a 34-foot-thick mass of the snow-white mineral, like icebergs about to calve from a glacier. Dripping water and a steady flow of air through this portion of the cave combined to carve out this shaft within Glacier Bay.

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NOVA Home Find out what's coming up on air Listing of previous NOVA Web sites NOVA's history Subscribe to the NOVA bulletin Lesson plans and more for teachers NOVA RSS feeds Tell us what you think Program transcripts Buy NOVA videos or DVDs Watch NOVA programs online Answers to frequently asked questions