On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic ...

It's where natural history perfectly blends with the iconic saguaro cacti, which dominate the park's landscape.

Today, the United States’ first gay travel company offers trips to Antarctica, New Zealand, the Galapagos Islands and Paris, among many other beloved and far-flung places. But it began 52 years ago ...

If trains are your point of interest, then this eco-friendly locomotive in the Grand Canyon is something you should experience at least once in your lifetime.

Visitors to backcountry areas of Grand Canyon National Park can now subscribe to a new emergency warning system that works in ...

There's a massive Joshua tree forest in northwestern Arizona. You can visit without the fees or crowds you'd find in a ...

Ricardo Dominguez, the boyfriend of Juan Vita, told Newsweek: "He just wanted to go back to his job and working on us getting married." ...

Access to the Grand Canyon of the Yellowstone is included in the park's seven-day admission fee ($35 per vehicle). Learn more by visiting NPS' Grand Canyon of the Yellowstone page and its Canyon ...