Hawaii's Kilauea volcano, one of the most active volcanoes in the world, awoke Monday. Video from the USGS shows lava spewing into the air while also pooling around the eruption site.

The surreal landscapes of this Nordic island – and its mesmerizing waterfalls – have been formed over millions of years by active volcanoes and melting glaciers. Iceland is one of the most ...

Did you know there are at least 1,350 active volcanoes around the world and ... South American spot that's home to 'the most beautiful waterfall in the world'. Scroll down and get ready to ...