Erika Bergman turned her career as a submarine pilot into an international engineering and exploration curriculum. The goal: to get more young women outside and involved in the sciences.

Day scuba diving offers the Grand Central Station view of a reef or wreck, bustling in a Technicolor blaze. But reefs hardly close for business when the sun sets. There’s something inherently mysterious about venturing into the deep with only a dive light and a sense of adventure. Here’s where…

Perth was thrust into the public consciousness recently for being the home base of the search for missing Malaysia Airlines Flight 370 in the Indian Ocean. But this city of 1.7 million people with a Mediterranean climate on the remote southwestern corner of Australia has hardly been a secret…

You may feel fine hitting the trail or gym after one or two drinks—heck, you may feel great—but there's more going on in your body than you probably realize. “Some research has shown that small amounts of alcohol actually increase muscular endurance and strength output—but these benefits are very short-lived,”…

In one sense, SCUBA diving seems like incredible exercise: You strap 70-some pounds to your body, swim for an hour or so, then haul yourself back up a ladder and onto your boat. Most divers, though, will admit they’re not doing all that much, fitness-wise, while they’re down there.

When the Great Recession hit, young people found a million different ways to cope with their battered job prospects. Alex and Nick Kleeman found the best way, scraping together enough cash to buy a 32-foot sailboat, then plunging into the Pacific for the adventure of their lives. So what if they didn’t know how to sail?

What are the best non-tropical places to go scuba diving in the winter?

Name a coast that’s treacherous to navigate, or a shallow area where an epic naval battle took place, and I’ll show you a ship graveyard that’s worth exploring. The beauty of wrecks is that they’re not only giant, waterlogged pieces of history, but also artificial reefs that teem with life.

Outside reviews the best gear in the 2011 Summer Buyers Guide, including the Victorinox Swiss Army Dive Master 500 Mechanical watch.

We've got your all-access pass to summer: 21 DIY and outfitted adventures guaranteed to recharge for less than $500*. Just pick one—or five—and leave your lawnmower behind. *Transportation not included

#4 There’s No Better Way to Prove Yourself.

It swims at 20 miles per hour and can carve out hunks of human flesh. It's one of eeriest beasts in the ocean—it's the Humboldt Squid.

What are some great outdoor activities I can do while I'm living in Istanbul? The only things I know of are running and swimming in the Bosporus. How about diving or snowboarding? -Lauren Istanbul, Turkey

I'm planning a trip for my husband's 40th birthday this fall, and I'm trying to find the place with the perfect mix of beach relaxation and adventure. You know, kayaking, hiking, sailing, snorkelling, and windsurfing to go with a super nice room, superb food, and a spa treatment or two. What are your suggestions? –Jill North Attleboro, MA

What do the world's most rejuvenating island escapes have in common? Empty sand, lonely surf, and new adventures of the strangest kind.

Because the heat of summer is upon us, we scoured the globe for the greatest sailing, fishing, paddling, diving, floating, surfing—you get the idea—trips out there. And since you can't always pop over to Indonesia, we picked a few close-to-home adventures, too.

GRIZZLY ADAMS FAMILY“There’s a bear!” This simple exclamation triggered the angriest parental outbust of my youth. At least, that’s how I remember it. I was seven years old, sitting in the backseat of our family station wagon, driving through Yellowstone for the first time. We’d set out from Boston…

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