| 1. | National Geographic History: Launched in Spring 2015.
National Geographic Adventure : lancé en 1999. |
| 2. | It is sponsored by the National Geographic Society.
Elle est éditée par la National Geographic Society. |
| 3. | "Making Sense of the Millennium," National Geographic, January 1998.
"To Catch A Mockingbird", National Geographic, January 2006. |
| 4. | National Geographic web site.
Photos sur le site du National Geographic. |
| 5. | National Geographic World, December, 1983.
National Geographic, mai 1983. |
| 6. | The research was featured by National Geographic and USA Today.
Ces recherches ont retenu l'attention des médias américains et du National Geographic. |
| 7. | As a traveler, he worked for the magazines GEO and National Geographic.
Voyageur, il travaille pour les magazines GEO et National Geographic. |
| 8. | National Geographic photographer Rick Smolan documents her journey.
Rick Smolan, un photographe du National Geographic, fait un reportage sur son voyage. |
| 9. | The series aired all over the world on the National Geographic Channel.
En France, la série documentaire est diffusée sur National Geographic Channel. |
| 10. | He received the Hubbard Medal from the National Geographic Society in 1958.
Il reçut la Médaille Hubbard de la National Geographic Society en 1958. |
