Subscribe Now! National Geographic Magazine $15
Home
Animals
Daily News
Environment
Games
Green Guide
History
Kids
Maps
Music
Photography
Science & Space
Travel & Cultures
Video
National Geographic Channel
Magazines
National Geographic
Traveler
Adventure
Shop
Subscriptions
TV & Film
Travel With Us
Our Mission
Visit our Online Shops
Books & Atlases
Clothing & Accessories
DVDs
Maps
Catalog Quick Shop

Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Sign up

Permian Basin
Photo: Permian Basin
WALLPAPER
The Permian Basin underlies most of West Texas and part of eastern New Mexico and contains Permian sediments some 12,000 feet (3,700 meters) thick. Once the bottom of an inland Permian sea, this region is now the epicenter of Texas oil production.
Photograph by Sarah Leen

Prehistoric World Topics

SPECIAL ADVERTISING SECTION
Photo: 2009 Winner

Photo Contest

Find out who takes home the Grand Prize!

View Gallery
Photo: Glass of water

Take Quiz

Test your water knowledge.

Learn More

Buy Dinosaur Prints
Image: A dinosaur

Choose from thousands of National Geographic images.

Shop Now

Buy Sea Monsters Book
Photo: Sea Monsters movie poster

Dive into swarming prehistoric seas with the companion book to the movie Sea Monsters.

Shop Now