The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...

Videos from Yosemite National Park show the iconic "Firefall" phenomenon glowing at Horsetail Fall inside the park.

Follow in the footsteps of the Buffalo Soldiers, who guarded parks and created trails in Yosemite, Sequoia, and Hawai’i ...

Hundreds of visitors gathered in Yosemite National Park to gaze at the "Firefall," which occurs when the setting sun reflects ...

This lava-like visual is only seen when the conditions are perfect, and the sunset aligns with the waterfall just right.

Kilauea, one of the world’s most active volcanoes, has been erupting on and off for nearly two months since it burst to life ...

From Arizona's canyons to Utah's buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

Demonstrators gathered in cities across the U.S. on President's Day to protest the Trump administration's early actions, ...

According to a new study by Iglu Cruise, Yosemite National Park has been crowned the top bucket list destination in the world ...

While the National Park Service, and other federal agencies, are in a state of turmoil under the administration's push to drastically shrink the size of government, the agency has no idea how many ...

The Kilauea volcano in Hawaii Volcanoes National Park erupted again on February 11, marking the ninth episode in a period of activity that began on December 23. The USGS Hawaiian Volcano Observatory ...