Merging the Elements

Galápagos Tortoise and Baby

Royal Sweep

Fruit Sukkah

Earthquake Rescue

Bubbly Beluga

Foreclosure

Red-Hot October

Wounded Youth

Calamitous Cargo

Chile Ash Cloud

"Lost" Fortresses of Sahara Revealed by Satellites

Real-life "castles in the sand" made by an ancient culture have been revealed in the Sahara, archaeologists say.

New satellite photographs show more than a hundred fortress settlements from a "lost" civilization in southwesternLibya.