Cauldrons in the Death Valley

[PLOTUS]

I found these : https://www.rbth.com/travel/329112-3-par...-in-russia

and : https://journal.com.ph/editorial/mysteri...lley-death 

                                                Then there's This:     https://www.pinterest.com/pin/495536765235435642/



   And finally this, but I think there may be more:  https://www.pinterest.ie/thremnir/vilyuy-cauldrons/

This kind of stuff is addicting don't you think...