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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The Lava River Cave exhaled chilled air. I put on my sweatshirt, despite the hot July day. Though I'd been warned about the sudden ...

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 ...

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.

The Lava River Cave exhaled chilled air. I put on my sweatshirt, despite the hot July day. Though I'd been warned about the sudden drop in temperature to a crisp 42 degrees, it was hard to believe I'd ...

Lava River Cave, one of the top attractions on the Deschutes National Forest, will open this year on May 16. For those traveling to the cave by vehicle, tickets for timed reservations to enter the ...

A moon exploration simulation with robots was conducted in a Jingbo Lake volcanic lava cave in China. Research indicates that ...

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.