The Old Caves Crater Trail is one of the best hikes in Arizona for exploring caves built by the region's earliest inhabitants ...

A series of long-planned enhancements to Snow Canyon State Park is nearing completion to improve visitor flow and reduce ...

My family stayed in Stromboli, an island off the north of Sicily. My kids loved playing with black sand and watching the ...

Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

The landscape is stark, dark and dramatic, formed by a series of eruptions in the last 16,000 years that have stacked layer ...

Nahuku Thurston Lava Tube in Hawaii Volcanoes National Park is one of the most amazing natural wonders you can visit and ...

This chain of volcanic islands spanning 1,500 miles of the Pacific Ocean is an ecological wonder. Those who call Hawai‘i home ...

A project by Icelandic firm s.ap arkitektar envisions the year 2150, when buildings and cities made from lava could be a ...

Hawaii’s Kilauea volcano erupted again on June 29, firing a lava fountain into the air as it entered Episode 27 of its ...

Who needs tequila when you have the Tequila volcano? Give your liver a break and check out a view few are brave enough to ...

The spectacular lava fountains that marked Kilauea’s 27th eruptive episode came to an abrupt stop at 7:54 p.m. Sunday, ...

The highest volcano in the world is Cerro Ojos del Salado. It is a stratovolcano in South America’s Central Volcanic Zone, reaching an impressive 6893 meters above sea level (or at least above ...