Over the past few decades, the Arizona-Mexico border has undergone significant transformation. Vehicle barriers once marked ...

Kayak through towering canyon walls to discover Arizona’s hidden falls, a remote oasis that feels wild, quiet, and ...

A river in Australia may have been flowing for 300 to 400 million years, long before dinosaurs existed. How did the ancient Finke River survive dramatic geological changes for so long?

High-clearance vehicles are essential, and four-wheel drive becomes your best friend when road conditions deteriorate. The ...

Hidden in Marble Canyon, Lonely Dell Ranch is the kind of place that makes you wonder what else you’ve been missing while ...

Although the U.S. has an expansive National Parks System, some federally protected monuments and natural areas have been defunded throughout the years.

Wildly fluctuating temperatures, punishing verticality and brushes with carnivores – Duncan Craig takes on the ‘Big Ditch’.

Sometimes I think I’ve seen everything the Southwest has to offer, and then I find a place like this that completely blows me away. This quiet corner of Arizona is a massive, 1,677-acre landscape that ...

A new report card for the Verde River gave the watershed a C+. Environmentalists who watch the river closely say the grade is ...

It’s war against Arizona's invasive species, though it’s not clear that humans are winning.

A wicked snow drought picked a bad year to plague the West, with the Colorado River already reeling. Arizona's local supplies ...

The federal government's proposal for the Colorado River that's most likely to be adopted would slash water deliveries by 77% to the Central Arizona Project, the canal system that brings river water ...