The 'Bermuda Triangle' of Yosemite National Park

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

Yosemite_National_Park is quite a magnificent place, but it can also be dangerous and mysterious.

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

https://www.rvtravel.com/video-terrifying-park-ranger-stories-yosemite-mysteries-missing-persons

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

https://www.kron4.com/news/california/yosemite-cold-cases-a-place-full-of-mysteries

https://www.nps.gov/yose/index.htm , https://www.yosemite.com

https://en.wikipedia.org/wiki/Yosemite_National_Park#History

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

https://paranormal-intersection.blogspot.com/search?q=Yosemite+National+Park

Of course National+Parks are usually wilderness areas, so the unexpected and the unexplained can easily happen there.

Government HIDING THE TRUTH In The National Parks https://www.youtube.com/watch?v=5NxL-IkeIw8

Dave+Paulides in Vanished (2019)

https://www.imdb.com/title/tt9515146 Former police detective Dave Paulides investigates extraordinary mystery cases about missing persons in the national parks.

https://paranormal-intersection.blogspot.com/search?q=Bennington+Triangle

The Old Waverly Hills Sanatorium

The waverly-hills-sanatorium is certainly big enough to be a very creepy place.

https://www.therealwaverlyhills.com/about

https://www.coasttocoastam.com/show/2023-05-26-show

https://www.courier-journal.com/story/news/local/2022/09/14/louisville-waverly-hills-sanatorium-urban-legend-history/9501082002/

https://en.wikipedia.org/wiki/Waverly_Hills_Sanatorium , https://www.youtube.com/watch?v=LXhLlWQtdt0

https://en.wikipedia.org/wiki/Waverly_Hills_Sanatorium#Tunnel

https://desertshapes.blogspot.com/search?q=The+Haunted+Waverly+Hills+Sanatorium

https://paranormal-intersection.blogspot.com/search?q=haunted

Vermont’s Bennington Triangle

 https://vermonter.com/vermonts-bennington-triangle/

Is the Bennington_Triangle just another urban legend that's set in a rural area?

https://allthatsinteresting.com/bennington-triangle

Certainly, a lot of strange and peculiar things have been reported happening there over the years.

https://explorersweb.com/exploration-mysteries-bennington-disappearances/

https://www.legendsofamerica.com/bennington-triangle-vermont/

https://listverse.com/2019/03/12/10-creepy-mysteries-of-the-bennington-triangle/

https://www.thetravel.com/bennington-triangle-disappearances-is-this-vermonts-bermuda