Total production of mercury from the Phoenix Mountains consisted of about 5,000 pounds.

Volcanic smoke billows from Mount Lewotobi Laki-Laki during an eruption “The height of the eruption column was observed at approximately 10,000 metres above the summit.

Colourful Mountain Destinations: Different spots have been named "rainbow mountains" around the globe. These sites offer uniquely colourful views.

Etna towers around 3,350 metres (around 11,050 feet) above sea level and is 35 kilometres (22 miles) in diameter, although the volcanic activity has changed the mountain's height over time.

A wild project in Iceland could transform how we forecast volcanic eruptions The most important part of a volcano is hidden deep underground.

This was the first time scientists had witnessed a clearly active eruption along the mid-ocean ridge, a volcanic mountain chain that stretches about 40,000 miles around the globe, like the seams ...

OK, those first three might be open to opinion, but the last one — an atypical extinct volcano north of Flagstaff — offers a singular hike that supports the claim.

See Madeira's dramatic landscapes, from sea pools to volcanic heights A subtropical island in the Atlantic, Madeira has rugged volcanic mountains that rise above the clouds, natural swimming pools ...

For Marnie Golden, having the steepest ski slope in the state just 20 minutes away from her house is a point of hometown pride. Golden, 17, of Ligonier Township was 9 when she started skiing at ...

BOSWELL, Pa. – Pennsylvania’s steepest ski slope will reopen to winter sports enthusiasts Friday. Laurel Mountain and its well-known double black diamond Wildcat Slope are set to kick off ...

Discover parks that feel like mini versions of Yosemite, with their majestic waterfalls, epic cliffs, and serene vistas.

The rare sight of a volcanic eruption, taken by a plane passenger flying over Iceland, has amazed viewers online.