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Thanks to improved safety standards and tandem flights, scores of acrophobes are giving hang gliding a second wind. And now, they're soaring in style—over the Golden Gate Bridge.

Meet the proud residents of the nation's arsenic capital. Now, will someone please explain to these good people why poison's a bad thing?

This is what happens to your body when you get tangled up in the business end of a box jellyfish—the most venomous creature on earth.

Struck by an urge to leap off a tall building? Pack your chute and head for Malaysia.

Has this tired old world been explored-out? Not Down Under, where uncharted, bottomless slot canyons hide just west of Sydney.

Once a year, the adventurous Jenkins boys will be boys, reforging the bonds of brotherly affection by nearly killing themselves

Rediscovering Antarctica

Will Earth's most fragile unexplored ecosystems survive the age of adventure?

The come-on: Grab two hours of challenging fun and fast adventure. But when a dark wall of water swept away lives and reputations, the question became: Why?

Soaring over four continents, three oceans, and assorted hostile nations aboard a high-tech gondola, Bertrand Piccard of Switzerland and Brian Jones of England this year became the first men to circle the world by hot-air balloon. Here is their diary—the unforgettable highs, the lows, and the humdrum routine experienced by the unlikely duo who vowed to boldly g

The Ideas Toward a Larger Life

The Great Reinhold Messner unmasks his latest conquest

When a promising young runner went missing in Wyoming's Wind River Range, everything changed for the community of athletes she left behind.

Bill Haast, human pincushion, explains the pain and profit of being nailed 163 times—and counting—by his little scaly friends

In the dusty realm of big-league map collecting, one man cut a darker figure than his milquetoasty colleagues. Armed with an X-Acto knife and an arsenal of fake identities, he systematically ransacked the nation's libraries, hoping in his own peculiar way to dominate the globe.

There’s nothing funny about motion sickness. Really. I mean it.