The Garden Isle’s northern shore boasts the rugged cliffs of the Napali coast, plus an unspoiled, beach-lined coastline that ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

Central Oregon isn’t just a destination—it’s an entire adventure zone packed with lava tubes, high desert canyons, volcanic ...

The wildest of the Canary Islands, Lanzarote's barren volcanic landscape features lava tunnels 6km long. Yet wine grapes can ...

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

The hike isn’t difficult, but you must literally watch your step because almost all of the trail is strewn with lava rocks. Going into the lava tubes requires serious rock scrambling.

Washington’s Ape Caves Washington’s longest lava tube snakes beneath Mount St. Helens, dark and cool year-round. The cave system splits into two routes: a chill lower section for casual walks, and a ...

Our writer did not love his experience hiking the Ape Cave lava tube in Washington. But it certainly was an adventure.

From walking across a hardened lava lake to meandering through an old lava tube, the 333,308-acre Hawaiʻi Volcanoes National Park boasts dozens of trails for every skill level, including some of the ...

Lunar geologist Zachary Morse scrabbles over Earth’s rocky landscapes to test equipment for future missions to the Moon and Mars. Name: Zachary MorseTitle: Assistant Research Scientist in Planetary ...

Nahuku (Thurston Lava Tube) Difficulty: Easy, takes about About 0.4 miles (0.6 km) round trip. The Nāhuku (Thurston Lava Tube) is a 500-year-old tunnel in Hawaiʻi Volcanoes National Park made by old ...

We travel to Flagstaff and Pinetop to hike from deep underground to the top of a fire watch station.