Amazon.com has National Geographic DVDs marked down up to 62% off in celebration of Earth Day! Choose between 10 different titles in this sale starting as low as $14.49.

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National Geographic 125 Years DVD Collection (reg $99.99) $37.99
Shipping is free with Amazon Prime
Final Price: $37.99 shipped

 

Untamed Americas (reg $39.99) $19.99
Shipping is free with Amazon Prime
Final Price: $19.99 shipped

 

Nation Geographic- Kratt Brothers: Be the Creature Season 1 (reg $49.97) $21.49
Shipping is free with Amazon Prime
Final Price: $21.49 shipped