Subscribe Now! National Geographic Magazine $15
Visit our Online Shops

Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Tornado Darkens Sky

Photo: Impending tornado darkens the sky
An impending tornado darkens skies over the Colorado plains. Most tornadoes are 400 to 500 feet (122 to 152 meters) wide, travel four or five miles (six to eight kilometers) and last just a few minutes.
Photograph by Priit Vesilind

Earth Topics

SPECIAL ADVERTISING SECTION

Photo: People hiking at sunset

Sweepstakes

Walk Into America and win a photography workshop for two!

Photo: Punta Allen

Mexico via Pacifico

Find unusual vacation spots and journey through Mexico.

Forces of Nature

Photo: A volcano erupting

Guide to the most powerful forces on Earth: earthquakes, volcanoes, hurricanes, and tornadoes.

Six Degrees Book and DVD

Image: Six Degrees DVD and book

Get an eye-opening warning of the dangers of climate change, one degree at a time.

Join the Geotourism Challenge

Image: The Geotourism Challenge

Honor people and organizations that are innovators in geotourism.