Montana is sometimes called "the last best ... Detour off of Highway 191 and take Cascade Creek Road to get to the Lava Lake ...

If visitors would prefer to avoid construction, other beautiful trails in the Gallatin Canyon area to consider include Lava Lake, Spanish Creek, Hellroaring Creek, and Deer Creek. For additional ...

If visitors would prefer to avoid construction, other beautiful trails in the Gallatin Canyon area to consider include Lava Lake, Spanish Creek, Hellroaring Creek, and Deer Creek. For additional ...

Tephra includes large, dense chunks, light rock debris, and ash. The restless lava lake in Nyiragongo's summit crater regularly causes eruptions of gas and smoke laden with tephra. Lava is the ...

While the 1880–81 Mauna Loa eruption may have had a beneficial aspect — blazing a trail for Saddle Road ... which continues to host an active lava lake. The lava lake level continues ...

Montana is the ... than 700 miles of hiking trails, making it a paradise for avid hikers. Some of the more iconic routes include the Trail of the Cedars to Avalanche Lake, the Grinnell Glacier ...

This story appears in the April 2011 issue of National Geographic magazine. When? This is the question that has brought two of the world's leading volcano scientists to the center of Africa; it's ...

This trail in a vast park that straddles Idaho, Montana, and Wyoming, can take up to four hours ... Getting here starts with the Sourdough Ridge Trail and a pass along Frozen Lake before a taxing ...

Centuries of eruptions on the Big Island have created hidden networks of passages beneath volcanoes. In December 2016 a large lava delta formed by Kilauea volcano sank into the sea, exposing the ...

Lava comes out of ruptures in the Earth's surface, which are connected to pipes, or pathways underground, and a big crater that holds all the magma, like a lake. Underground, magma isn't free ...

NASA confirmed that a chunk of debris that crashed into a Florida home came from a battery pallet ejected from the ISS, and archaeologists found evidence that humans used a lava tube as a shelter ...

Here’s a quiet side of Hawaii that many visitors rarely experience: peaceful trails and parks where you can enjoy the islands’ natural beauty without the ...