Add Yahoo as a preferred source to see more of our stories on Google. To truly understand Arizona, you need to understand our national parks. These crown jewels are the keys designed to unlock the ...

Arizona has more than 30 state parks and natural areas, ranging from desert preserves, historic sites and lakes. Here are the ...

Muir traveled to the Grand Canyon and Redwood National and State Parks.

From prehistoric ruins to breathtaking desert vistas, these Arizona destinations highlight the state's most compelling history and natural beauty.

National parks will waive entrance fees for U.S. citizens and residents on May 25 for Memorial Day. The National Park Service encourages visitors to reflect on the sacrifices of U.S. Military service ...

A federal shutdown of the Grand Canyon, one of the country's most visited national parks, would upset both tourists and the state's economy. How likely is it? Staff at national parks aren't considered ...

WASHINGTON – Arizona parks and monuments had more than $580 million in deferred maintenance at the end of fiscal 2015, part of a national backlog totaling $11.9 billion, according to a new National ...

FLAGSTAFF, Ariz. — James and Kay Barr had visited 20 national parks over the course of their seven-week vacation, ranging from Olympic National Park in coastal Washington to Badlands National Park in ...

Arizona national park visitors responded to signs asking them to report "negative" historical information. Most bashed the requestion. Some got silly.