December 8, 2012

Saguaro National Park, Arizona

Photograph by Colin Stouffer, My Shot

The saguaro cactus is the trademark of the vast Sonoran Desert, and it's king in Saguaro National Park, which covers nearly 100,000 acres in Arizona. Each cactus produces tens of thousands of seeds each year, but few ever sprout—much less reach the tremendous size of 50 feet and 16,000 pounds.

Download the National Parks by National Geographic App >>

Saguaro National Park Guide >>

Welcome to Travel 365. We've taken Travel Photo of the Week and made it better: bigger, bolder, and new every day. Check in each day, share your favorites, join the discussion—and start your vacation planning.

Take a Nat Geo Trip

Select a destination or trip type to find a trip:

See All Trips »

Join Nat Geo Travel's Communities




2014 Traveler Photo Contest

  • Picture of people on the Salar de Uyuni, Bolivia

    Enter Today to Win!

    Submit your best shots for a chance to be featured in our weekly galleries and to win a grand prize trip for two to Alaska.