Elzada Clover and Lois Jotter conducted a harrowing 43-day trip down the Colorado River in an effort to map the Grand Canyon's flora.

Our protected wild spaces awakened something profound in the author of "A Wrinkle in Time." They did the same for me.

What are the best airports to fly into when visiting the Grand Canyon? Whether you want the South Rim, North Rim, or more ...

This Arizona national monument boasts 13 hiking trails, unique geology, and is even a designated International Dark Sky Park; ...