Beneath the cliffs of western Colorado, a billion years of geologic history unfolds—and a century-old dream of accessibility ...

A new study found that about 83% of water passing through public lands uses monument designation for its only protection.

With the government shutdown over, now is a good time to revisit our great national parks and monuments. And if you’re ...

Alison Osius, a senior editor at Outside, works on travel coverage and edits features. She's a former editor at Climbing and Rock and Ice magazines, has written for cnn.com, The New York Times, The ...

The Center for American Progress says a Trump administration push to remove monument designations puts water supplies at risk ...