Ready to explore the darker side of our world? From fiery craters to eerie underground tunnels, these seven real-life locations are believed to be literal gateways to hell. Whether you’re a ...

Now, there are 49 of them left. "When you walked through the gates of hell, which is what we called it because it wasn't a happy place, it was sad. So there's going to be sad memories there when I ...

Also featured in the book are places like Antarctica’s Blood Falls, a tropical hell in Grand Cayman, the Gates of Hell crater ...