Exclusive Edition - The Ultimate Field Guide to Photography: Buy Now!
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

Salt Piles on Shoreline, Senegal
Photo: Shoreline of Lake Retba, Senegal
WALLPAPER
Salt piles line the shoreline of Lake Retba, Senegal. The high salinity content of the lake provides a livelihood for salt collectors.
Photograph by Robert Haas

Related Photo Galleries
Photo: Light reflecting on a rock wall in Utah

Patterns in Nature: Enigmatic Earth

Photo: Star trails over sandstone formations in Utah

Patterns in Nature: Star Trails

Photo: Water rippling

Patterns in Nature: Water

Image: See all science and space photo galleries

Special Advertising Section
Image: Pink prize ribbon

Photo Contest

Out of 12,000 entries received, find out who takes home the Grand Prize!
Photo: Glass of water

Take Quiz

Eighteen percent of the world's population can't get safe drinking water. Test your water knowledge.

Learn More

Photo Tip of the Week

Long Exposures

When making long exposures, use a remote release to avoid camera movement. If you don't have a remote release, use the camera's self-timer.

More Photo Tips

The Complete National Geographic
Photo: The Complete National Geographic product

Explore 120 years of amazing discoveries, fascinating maps, and the world's best photography.

Shop Now

Photography Guides
Photo: Ultimate Field Guide book cover

Guides by National Geographic photographers.

Buy Guides

The National Geographic Image Collection Book
Photo: The Image Collection book cover

Own images from one of the finest and most extensive image collections on Earth.

Shop Now