Every winter Yosemite National Park becomes the stage for one of nature’s most riveting optical illusions: a magnificent waterfall that for a brief moment appears to be made of pure golden fire.

Yosemite National Park staff say stormy conditions could make it difficult, even impossible, to view the annual firefall at Horsetail Falls.

Time is running out to see one of Yosemite National Park’s most famous — and most fleeting — natural spectacles. For a few ...

Between February 10 and 26, for a few minutes at sunset, Horsetail Fall glows like molten lava or cascading fire spilling down El Capitan. It is called the Yosemite "Firefall".

Thousands of visitors are flocking to Yosemite National Park to witness the phenomenon known as Firefall, a natural light ...

View of Yosemite's Firefall. February gets bustling in Yosemite National Park thanks to a phenomenon nicknamed the “Firefall.” It’s when sunset turns 2,130-foot-tall Horsetail Fall into a magma-like ...

Sunset phenomenon at national park’s Horsetail waterfall still drew large crowds even with freezing temperatures ...

Add Yahoo as a preferred source to see more of our stories on Google. After several years of timed-entry rules, visitors heading to Yosemite National Park this February will no longer need a ...

The natural phenomenon appears for only minutes at sunset, drawing photographers and visitors from across the country ...

Firefall was a bust. Then all the national park's campgrounds had to be evacuated.