No trip to Central Oregon would be complete without exploring one of the region's defining geological features: the vast expanses of hardened lava that diverted the Deschutes, formed mounds of gumdrop ...

Centuries of eruptions on the Big Island have created hidden networks of passages beneath volcanoes. In December 2016 a large lava delta formed by Kilauea volcano sank into the sea, exposing the mouth ...

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.

FLAGSTAFF — Did you know Flagstaff is home to one of the largest lava tube caves in the country? The Lava River Cave in the Coconino National Forest stretches over a mile underground and was formed ...

Ziegler's bent-toed geckos, or Cyrtodactylus ziegleri, were first discovered in 2008 in a neighboring province of Vietnam.

Why it's incredible: The cave was created by lava from Mount Fuji and now holds giant ice pillars. The Narusawa Ice Cave is a lava tube that is brimming with icicles and ice pillars at the base of ...

BEND, Ore. (KTVZ) -- Timed reservation tickets for Lava River Cave open for reservations starting next week for the 2023 season, the second year the system has been in place due to rising visitor ...

— Timed reservation tickets for Lava River Cave are now available for the 2024 season. Lava River Cave opens for the season Friday, May 3. Today, 50% of the Lava River Cave timed reservation tickets ...

FLAGSTAFF, Ariz. -- An 8-year-old boy who went missing at Arizona's Lava River Cave on Wednesday night has been found alive and is being evaluated. Tzion Maron was reported missing at around 6 p.m.