We asked the BuzzFeed Community to tell us which inexplicable incidents scare the heck out of them. Here are the chilling results.
Note: Not all submissions are from Community users.
1. The 33,330-foot fall and survival of Vesna Vulović:
2. The Hollinwell incident:
3. The reincarnation of the Pollock twins:
4. The Solway Firth Spaceman:
5. The deserted Mary Celeste:
6. The Bloop:
7. The mysterious deaths on Overtoun Bridge:
8. The Phoenix Lights UFO sighting:
9. The disappearance of the princes in the tower:
10. The "Wow!" signal:
11. The mysterious identity of murderer Bible John:
12. The 2016 disappearance of Dutch and British shipwrecks:
13. The hauntings at Toys "R" Us in Sunnyvale, California:
14. The moving coffins of Chase Vault:
15. The Atlas Vampire killing:
16. The unidentified Isdal Woman:
17. Missing Northwest Orient Airlines Flight 2501:
18. And the 11-day disappearance of Agatha Christie:
Submissions have been edited for length and/or clarity.