While hiking through dense forest, we stumbled across a hidden opening in the ground – and it led to a cave over 150 feet ... world buried beneath the forest floor. White House dismisses scores ...

About a quarter of a mile down the south-heading trail from Arnold is another cool spot, Hidden Forest Cave, a partially collapsed lava tube with mature ponderosa pines growing from its floor.

But the potential for a conflagration in the dry forest is palpable ... including stalagmites on the cave floor and stalactites on the ceiling. “It’s a snapshot,” Katie Wendt, a ...

Pluto’s Cave is a partially collapsed lava tube in the Klamath National Forest. The cave’s opening ... of an IMAX theater screen — while the floor was covered in jagged boulders.