The Dyatlov_Pass_incident in 1959 still has some mysterious aspects to it, after all these years. Of course the paranormal angle has been largely ignored or dismissed through the decades.
https://allthatsinteresting.com/dyatlov-pass-incident A storm and an avalanche just doesn't cover the overall set of bizzare circumstances.
https://www.vox.com/2021/4/5/22368032/dyatlov-pass-incident-solved-theory-avalanche
https://www.strangeandunexplainedpod.com/post/episode-36----the-mysterious-case-of-the-dyatlov-pass
https://en.wikipedia.org/wiki/Dyatlov_Pass_incident#Contradictory_evidence
https://dyatlovpass.com/theories
https://desertshapes.blogspot.com/search?q=The+Dyatlov+Pass
https://paranormal-intersection.blogspot.com/search?q=Dyatlov+Pass