Once a month get new photos and expert tips.
Put down that pint and go diving off the coast of Ireland. See the underwater surprises that await you in this multimedia feature.
Watch sea anemones, sponges, and coral in a slow-motion turf battle in the nutrient-rich waters of California's Monterey Bay.
Go 12,000 feet (3,657 meters) deep in the ocean off California and see orange-tinted sea anemones awaiting a hapless victim.
The sting of a green anemone—seen here in the waters of the Channel Island National Marine Sanctuary in California—is harmless to humans.
Dive down into the diversity of life in California's Monterey Bay National Marine Sanctuary.
Take a photographic journey through Montana and enter for a chance to win a trip for two!
Check out adventure videos from our West Coast Adventure Editor Steve Casimiro and go "Behind the Lens."
Make us your online news source.
Get your daily dose of photos.
Put the sights and sounds of National Geographic on your mobile phone.
It's no stretch to find fun facts on our Kids site!
Whatever your interest, you'll be entertained and educated with our collection of best-selling DVDs.