Videos from Yosemite National Park show the iconic "Firefall" phenomenon glowing at Horsetail Fall inside California's crown jewel.
Incredible scenes at Hawaii's KÄ«lauea volcano on Wednesday: over a 13-hour period, a towering fountain of lava spewed from ...
"We had a number of people who got lost and could not find their way back because of the fog that suddenly appeared. Spending a night out at these temperatures can be very risky", Leonardo La Pica, ...
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