Mysteries and Dangers in National Parks

 https://en.wikipedia.org/wiki/Mysteries_at_the_National_Parks

https://www.travelchannel.com/shows/mysteries-at-the-national-parks/episodes

Spring and summer are the most popular times to visit. Unfortunately, things don't always go according to one's plans.

https://newverest.com/blogs/newverest-blog/7-unexplained-mysteries-of-the-united-states-national-parks

https://www.sfgate.com/california-parks/article/tenaya-canyon-in-yosemites-cursed-history-18121807.php

Yosemite is full of wonder and some strange things. 

https://www.strangeoutdoors.com/mysterious-stories-blog/category/Yosemite+National+Park

https://www.nps.gov/yose/blogs/yosemite-the-weird-and-the-wonderful.htm

https://www.sfgate.com/california-parks/article/These-13-people-went-missing-in-Yosemite-16629374.php

Top 10 Dark National Park Mysteries That Will NEVER Be Solved https://www.youtube.com/watch?v=usRnANa_PhU

Park Rangers And Hikers REVEAL The TRUTH About National Parks https://www.youtube.com/watch?v=WBc2Zvc8ruw

Just being out in the elements when things go wrong, then you suddenly realize that you really are far away from civilization.

https://en.wikipedia.org/wiki/Grand_Canyon_National_Park

HORROR In The Grand Canyon https://www.youtube.com/watch?v=OYX4TFPhHuk , https://www.youtube.com/@thrillzone8807/videos

https://en.wikipedia.org/wiki/Grand_Canyon_National_Park#Geography

https://en.wikipedia.org/wiki/Canyonlands_National_Park , https://en.wikipedia.org/wiki/127_Hours