Thousands of stones make up the ancient city of Machu Picchu. Pictured here, are the stone walls that remain from this magnific...
The undercover cops hunt down the owner of a fighting dog with a winning rep and huge price tag, and a suspected rooster fighter.
Agonizing moments for these people as they cling to life.
The faces of those who have survived to tell their amazing story.
Nat Geo Specials
The Big Apple
My Life Is a Zoo
Building The Future
World Without Oil
A large caribbean reef shark.
Images following the team as they dissect the largest animals on the planet.
Up to 24 million golden jellyfish of Jellyfish Lake undergo a one-kilometer long daily migration.
SIBERIA, RUSSIA - Lake Baikal - The pearl of Siberia. One of the biggest fresh water reservoirs on Earth.