Three of the best easy hikes include the Kīpukapuaulu (Bird Park) Trail, Devastation Trail, and Nāhuku Thurston Lava Tube Trail Are pets allowed on trails in Hawaii Volcanoes National Park?

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

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

The Lava River Cave is about 0.7 mile long, making it one of the longest lava tubes in Arizona. The width and height vary throughout the cave, ranging from narrow passageways to larger chambers.

Hana Lava Tube (Ka'eleku Caverns) is ranked #28 out of 29 things to do in Maui. See pictures and our review of Hana Lava Tube (Ka'eleku Caverns).

Some tourists who come to Kilauea see orange-hot lava; others are left to wander through old lava tubes and imagine what the lava would look like if it were still flowing.

Hawaii Volcano National Park has closed Nāhuku lava tube after data from a crackmeter showed a fracture near a large overhanging rock slab at the apex of the lava tube narrowing since Saturday.

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

Exciting news for those headed to the Big Island, Nāhuku lava tube is back open after being temporarily closed for safety concerns.

Timed entry permits are now on sale for Lava River Cave, a subterranean hike into a mile-long lava tube outside of Bend. The hike opens for the season on Friday.

The Volcanic Legacy Scenic Byway connects volcanic mountains and parks in the Cascades of Northern California and Oregon, from Lassen Peak to Crater Lake.

HONOLULU – Hawaii Volcanoes National Park visitors are able to once again explore one of the park's most popular destinations, the Nahuku lava tube, after an inspection of an "unusual" fracture ...