in addition to a short section of Crater Rim Trail. "Safeguarding native wildlife is part of our mission at Hawaiʻi Volcanoes ...
In the remote Siberian tundra, the ground itself has begun to explode. Since 2014, more than 20 mysterious craters, each ...
A decade ago, a mysterious crater appeared in the Russian Arctic, forming a huge jagged hole hundreds of feet wide. Since ...