A spectacular rainbow formed over a volcanic lake as hikers reached the crater's edge in Indonesia. Footage shows the colourful arc stretching over the summit of Mount Ijen in East Java on June 28.

Explore the best places to visit in Sumatra by region, from Lake Toba and the Mentawais to jungle treks, highland towns, and ...

The Wandan mud volcano has erupted in Taiwan, sending bubbling mud shooting into the air as locals ignite ejected gases with burning rags.

Klamath Falls sits at the crossroads of Oregon’s most dramatic landscapes, where volcanic mountains meet expansive wetlands and high desert plateaus, creating a haven of tranquility that feels worlds ...

Just east of Thunder Bay, Ontario, a huge silhouette stretches along the horizon of along Lake Superior. It looks just like a ...

Randy Robbins, a California-based wildlife photographer, said his camera captured rare footage of the "highly threatened" ...

One hundred years ago, on June 23, 1925, a mountainside in the Gros Ventre Range in northwest Wyoming collapsed, unleashing ...

Learn more about the volcanic ash researchers found in the sediment around Lake Mead's now exposed shoreline, and how it ...

Visitors can fish, swim, paddle or soak in a hot spring at Pauline and East lakes in Newberry National Volcanic Monument in Central Oregon.

Discover the Azores, Portugal's island paradise, offering volcanic landscapes, rich culture and unforgettable adventures from ...

Then, drive 29 miles south to Exit 49 to State Route 504, also known as Spirit Lake Highway. Turn off at milepost 5 for the ...

A 27-year-old female Brazilian tourist, identified by her initials JDSP, reportedly fell while trekking Mount Rinjani, Lombok ...