The Palisades cliffs west of New York City rear up from the Hudson River like the spine of some ancient beast—and that impression is not far off. Their basalt backbone is a remnant of an immense lava ...

Sometimes, a hole in the ground is just a hole. Other times, it’s a portal to an underground cave spanning miles in width and length. You don’t really know what’s inside unless you dive into the void.

The volcanic eruption on Iceland's Reykjanes Peninsula has now reached the fishing town of Grindavík, engulfing houses in flames. Livestream videos from the area show lava spurting out from a fissure ...

The Tentative Lists of States Parties are published by the World Heritage Centre at its website and/or in working documents in order to ensure transparency, access to information and to facilitate ...

The Oregon Badlands is the strangest wilderness in Oregon, with no mountains, lakes or streams. This desert landscape east of Bend was buried by a basalt lava flow about 10,000 years ago. As more lava ...

In the Catalan hinterland, some villages stay hidden until you go round a bend. Castellfollit de la Roca is such a secret ...

Lava erupted through a fissure in Iceland’s Reykjanes Peninsula on Dec. 18, 2023, shooting almost 100 feet (30 meters) in the air in its early hours. Icelanders had been anticipating an eruption in ...

It’s a simple and popular science class experiment: a volcano made with baking soda and vinegar erupts, spewing foam onto the table. In Germany’s Eifel region, viewing the power of volcanic forces ...