Bermuda triangle

[Mave]

 

[Stybar]

Same with quicksand. It's much less of a problem than you'd think as a kid.

 

[Mave]

Same with quicksand. It's much less of a problem than you'd think as a kid.

On the other hand: I didn't even know about sinkholes when I was a child, every time I watch one of those videos the fear of them gets re-injected.