Visit Arnold Mine for a chance to go back in time and to journey to another world. It's one of the most fascinating hikes in ...

Amateur spelunkers and outdoor adventurers, bring your headlight for this cave hike in New Mexico. You can find the Quemazon ...

Millions of years of underground history awaits at Florida Caverns State Park. Go for a hike and then a guided cavern tour ...

While towering mountains and canyon walls seem abundant in the Grand Canyon State, many may not realize that there’s an ...

From England to India, these spooky spots are among the most haunted places in the world that you can visit—if you dare.

Scientists may have made an "out of this world" discovery. New research suggests that a mysterious glow in our galaxy might be caused by dark matter, an invisible form of matter believed to be five ...