Mental institutions, especially old, abandoned ones.
In the woods.....at night..
Between my ears. Also the happiest place on earth. Makes Disney World look like the Valley of Death.
An old outhouse.
cemeteries(but I have been stocking up on my zombie apocalypse survival skills) The energy freaks me out though.
In your bed, next to you
Valley of death. http://www.forteantimes.com/features/fbi/2800/valley_of_death.html