WBT Fact about cells

See just how tiny they are!

What's your favorite cool treat?

Babysitting Blues

More Games

secrets revealed!

It's the ultimate photo guide.

Check out these adorable adopted pups!

See eight great shelter dogs.

Send us your best shot

Be sure to enter in all four categories!

Watch a New Video

Fly with Barry to Connecticut!

Challenge: Robots!

Play it at Nat Geo Ed.

Make Lemonade

Help save endangered Lions.

Cool People

2015 National Geographic Geography Bee's Final Moments - Ep. 30

Quick: If completed, the proposed Grand Inga Dam would become the world's largest hydropower plant. This dam would be built near Inga Falls on which African River? Get the answer and see the winner of the 2015 National Geographic Bee, hosted by Soledad O'Brien.


Doggie Ball Boys

These pups play tennis...sort of.

My Shot in the Vice President's Residence 

See the pics that were chosen this month!