Just a quick recommendation that I hope people will enjoy - I certainly have so far.
So, if you're into both horror and mystery and also like listening to podcasts, you should definitely give The Magnus Archives by Rusty Quill a go. You can find it both on YouTube and at the link below. I recommend the latter as not all episodes are up on their YouTube channel yet.
A little bit about the podcast, shamelessly copied from their own website:
One of the foremost centres of supernatural research, The Magnus Institute has appointed a new Head Archivist in Jonathan Sims. This award-nominated horror podcast follows his attempts to put the Archive in some kind of order whilst new supernatural mysteries seems to arise every week…
And finally, the podcast feed:
Hold infinity in the palm of your hand, and eternity in an hour.
William Blake - Auguries of Innocence, line 1 to 4