what town is this (this is a real town)?

My friend and I were talking about the Silent Hill town, and I asked him if there were any weird/creepy towns like that, that actually existed. He told me about a town somewhere in New Hampshire where the following happened.

-People have disappeared from the town, and re-appear up to a month later; some of these people were unable to speak.

-Women would go on "vacations" to various buildings; some of them would later be found dead.

-The corpses of two young boys, and a corpse of a man, were found in the basement of someone's house in steamer trunks. Upon examination, the people were found to have died in the period from about 1900 to 1912. The homeowner had no idea how they got there (they were found in a concrete wall).

-A young boy was reportedly "pulled into a well" by what appeared to be a boy around his age (five years old). When the father of the child rushed to the well, he saw that the only person down there was his son.

-Citizens have found strange symbols painted in red on their homes. Surveillance cameras were installed to catch the vandals, but the footage that would have shown the criminals in the act was so distorted that it was of no use to the police, although in the audio several of the police officers who viewed the tape swore under oath that they heard several voices speaking "gibberish".

-Strange creatures resembling men with horse-like heads have been seen by both citizens, police, and the occasional tourist by an old school building near town.

If anyone has any idea what town this is, please let me know (and don't tell me it's not real, when I asked a relative who lived in NH about it he told me details exactly like what my friend told me, and she's never even met my friend.)