National Geographic, formerly The National Geographic Magazine

It is the official magazine of the National Geographic Society. It has been published continuously since its first issue in 1888, nine months after the Society itself was founded. It primarily contains articles about geography, history, and world culture. The magazine is known for its thick square-bound glossy format with a yellow rectangular border and its extensive use of dramatic photographs.

The magazine is published monthly, and additional map supplements are also included with subscriptions. It is available in a traditional printed edition and through an interactive online edition. On occasion, special editions of the magazine are issued.

As of 2011, the magazine was circulated worldwide in thirty-six language editions and had a global circulation of 8.3 million. Its U.S. circulation is around 5 million per month.

Source: Wikipedia