Add Yahoo as a preferred source to see more of our stories on Google. Jul. 25—The Volcano Rescue Team (VRT) was dispatched to Ape Cave south of Mount St. Helens on Wednesday, July 23, to assist a ...

Standing at the top of the stairs leading into Ape Cave, one of the largest lava tubes in the continental United States, a shiver jolts through my body. The gaping hole in the Earth below offers a ...

It's no surprise that Mount St. Helens is the source of some of Washington's most famed natural wonders, like the picturesque, heart-shaped Spirit Lake that survived the deadly 1980 eruption, but was ...

This lava tube is reportedly the third-longest in all of North America, trailing Hawaii’s 40-mile Kazumura Cave and the less-publicized 9-mile Deadhorse Cave system near Washington’s Mount Adams.

Volunteers are needed to help complete a new trail in the Ape Cave area south of Mount St. Helens. The new, mile-long path will provide a scenic vista of the volcano, according to the Washington ...

Add Yahoo as a preferred source to see more of our stories on Google. Looking for an adventure that’s cool (literally) and completely out of the ordinary? The United States is home to some of the ...