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Amazing Underground Secrets

Amazing Underground Secrets

AMAZING UNDERGROUND SECRETS is an eye-catching, three-part series exploring the wonders that lie hidden below the planet's surface. It's a world of surprising, dramatic, awe-inspiring and sometimes magical things, from underground telescopes to crystal caves, from meandering tunnels to massive caverns to whole cities. Getting there is only part of the challenge; returning safely is a feat in itself.

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  • Natural Wonders (#101)

    Intrepid underground explorers make amazing discoveries and share sights of remarkable beauty. [56 minutes]

  • Secrets & Treasures (#102)

    Exciting discoveries of buried treasure and secret underground government areas are revealed. [55 minutes]

  • Mastering The Underground World (#103)

    Breathtaking feats of technology designed to make the underground safe and accessible are explored. [54 minutes]

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