Add Yahoo as a preferred source to see more of our stories on Google. Lava Beds National Monument, in Tulelake, California, is home to more than 800 caves — and the hiking trails are lined with ...

240 miles north of Sacramento, outside the town of Weed and just passed the telephone pole. Is this Pluto s cave, that massive opening behind me? Plato's cave, that is travel blogger Josh McNair of ...

Who needs to travel to the Lava Beds National Monument in northeastern California when there’s a private lava tube cave for sale in Bend? The $1,795,000 asking price includes an updated farmhouse with ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

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.

Just don't slice your spacesuit open on the cave wall. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mars is pockmarked with absolutely massive ...