The Asylum of Ascendant Alleviation

Just outside of Louisville, Kentucky, The Asylum of Ascendant Alleviation is a now-abandoned mental institution that had been in operation for the better part of the 20th century. Since its closure in the 1980s, there have been multiple reports of ghosts and hauntings in and around the asylum.

Referenced in...
The Asylum of Ascendant Alleviation appears or is mentioned as a location in the following Endless Elsewhere tales:

The Merely Mortal
While assembling his menagerie of miscreants and monstrosities, Agent Bertram makes a stop at the Asylum of Ascendant Alleviation in order to recruit former mariner Gustavo Platon Delmar Eneas Valverde, El Matador del Mar, who has been committed after claiming that he and his crew were beset by monstrous sea creature.

"The Welievers"
Intent on making a name for themselves as paranormal investigators, Curt, Erin, and Danny Weliever - professionally known as The True Welievers - attempt to film their encounter with the spirits said to be inhabiting the Asylum of Ascendant Alleviation. After exploring the premises, Danny attempts an isolation session in an attempt to communicate with the spirit of opera singer Ruby James during which he is physically assaulted. Erin posits that the spirits are actually demons in disguise. The Welievers are able to make a safe escape, leaving the haunted place behind.

The Lantern
The Asylum is referenced, though, not by name as the place where Dr. Frederick Hardesty was sent for a time.

"The Invoked"
Hardesty mentions having dreamed up the Brain Box while a patient at the Asylum. He directly references the room of brains in glass jars seen in "The Welievers."