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

Videos from Yosemite National Park show the iconic "Firefall" phenomenon glowing at Horsetail Fall inside California's crown ...

The best views of the Yosemite firefall are possible when there is a lot of water so that the glowing stream is more ...

Yosemite National Park staffers hung an American flag upside down from the park's El Capitan summit over the weekend to ...

The annual Horsetail Fall event at Yosemite National Park − also known as the "Firefall"- is back with people vying for the perfect spot in the central California park to see the iconic ...

Traditionally, hanging the American flag upside down symbolizes a distress call. Gavin Carpenter, a maintenance mechanic with ...

The annual Horsetail Fall event at Yosemite National Park − also known as the "Firefall" - is back with people vying for the perfect spot in the central California park to see the iconic ...

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

The terminations at national parks and forests have left workers bewildered and worried not only for themselves but for the ...

A photograph accurately shows a U.S. "distress" flag hung upside down from the side of El Capitan in Yosemite National Park ...