A muddy float trip down the Upper Missouri.

Solo hiking the Appalachian trail as a black woman.

A journey to the wildest edge of the spa industry.

Hundreds of people have gone missing on remote public lands. Who’s responsible for finding them?

South Florida is being overrun with cane toads, which can weigh almost six pounds. No one knows why they are swelling in numbers or when their population growth will slow.

When Raymond Stansel was busted in 1974, he was one of Florida’s biggest pot smugglers. Facing trial and years in prison, he jumped bail, changed his name, holed up in a remote Australian outpost and began his second life as an environmental hero.

The unmaking of a legend.

When a creature mysteriously turns up dead in Alaska, veterinary pathologist Kathy Burek gets the call.

A dispatch from a tiny-house convention:

Here the stories pivoted around Turning Tiny. Before Tiny, there was an unhappy marriage, unpaid bills, stifling office work, a home of 2,500 square feet or more; after Tiny came freedom, new love, debt relief, self-employment, and, of course, a handmade nest.

David Roberts spent his life facing death in the mountains. Now he is facing a fatal prognosis.

An unlikely duo from Boston treks to Bolivia, hoping to solve a 30-year-old aviation mystery.

Meet Seattle’s cycling vigilante, Bike Batman.

The Darién Gap is a lawless wilderness on the border of Colombia and Panama teeming with everything from deadly snakes to antigovernment guerrillas. For many migrants, crossing it is their only way to get to America.

In the late 1990s, a serial killer found his victims in Yosemite National Park.

The author investigates the massive wildlife die-off in the Salton Sea by rafting from its tributaries in Mexico.

A dispatch from a Russian town under siege by hungry bears.

Help came right away. And then it stopped.

What went wrong when a group of canyoneers was caught by a flash flood in Zion National Park.

The road to Lhakpa Sherpa’s seventh potential summit​ has been nothing if not complicated.

Searching for the source of British Columbia’s grim flotsam.

A profile of a 25-year-old Spanish sensation.

In Utah, an unlikely leader is looking to end the state’s land-use wars.

After too many tragedies, a veteran guide may turn his back on the mountain.

If you don’t get sick, was it really a vacation?

An ex-SEAL turns to “ocean therapy” to cope with chronic pain and PTSD.