Welcome to Iowa Public Television! If you are seeing this message, you are using a browser that does not support web standards. This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device. Read more on our technical tips page.

Iowa Public Television

 

Home » Programs » Amazing... » Natural...

Amazing Underground Secrets

Natural Wonders (#101)

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

This episode has not aired in the past few months on Iowa Public Television.

Series Description: 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.

« Upcoming Episodes

All Episodes

  • 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]

« Upcoming Episodes

« Back to Programs A-Z