9. Creepy Pasta
The following site CreepyPasta will definitely leave you with some PTSD. The site, includes a bunch of material, ranging from the Russian Sleep Experiment to Urban Legends and Chilling Tales for Dark Nights.
8. Unusual Deaths
Unusual Deaths is a website that displays exactly what it is titled, opening up your mind to the that death, although being a part of life, can happen at any moment and time.