Well, in this fanfic, Harry could be there to visit someone else. While waiting, he stumbles upon a mystery. There are strange noises coming from one of the wards. He decides to investigate. As he delves deeper, he finds that there is a creature that has been trapped in the hospital for years, and he might be the one to set it free.
In the 'Harry goes to the hospital fanfic', it's possible that Harry is injured during a Quidditch match. He is then rushed to the hospital. There, he could discover a hidden part of the hospital that has some ancient magic stored. He might also have some deep conversations with his friends who come to visit him about their future plans and the current state of the wizarding world.
Maybe Harry is injured during a Quidditch match and has to be rushed to the hospital. There he might meet some interesting new characters, like a healer with a mysterious past.
He might meet some strange magical creatures there that are used for experimental treatments.
It's possible that in 'harry goes on holiday fanfic', Harry decides to go to a place that is completely different from what he's used to, like a beachside magical town. There, he could engage in activities such as learning new water - based magic spells. He could also encounter some challenges, like dealing with a group of mischievous magical sea creatures. And his holiday might be a time for him to relax and get away from the usual hustle and bustle of his life at Hogwarts, but still, adventure seems to follow him everywhere.
In this fanfic, Harry might encounter new magical creatures in Gringotts. Maybe he discovers a secret vault that was thought to be lost.
In the fanfiction, Danny might be in the hospital because of his ghost - fighting injuries. Maybe he has to hide his ghost powers from the doctors while trying to recover.
In fanfiction, when Naruto goes to the hospital, he could discover a new medical jutsu being developed there. He might get involved in the process, either by accident or because the doctors need his help. Since he has so much chakra, it could be useful for testing or something related to the new jutsu.
In this fanfiction, maybe the Pokemon gets injured during its trip and has to be treated in the hospital. For example, it could have been in a battle with a wild Pokemon and got hurt.
Well, he might use his magic to defeat the dragons in Skyrim. Maybe he'd introduce some new spells to the mages there. It could be really interesting to see how his Hogwarts-trained skills fare against the challenges of Skyrim.
In this fanfic, Harry could be sent to Arkham Asylum for some mysterious reason. Once there, he might discover secrets about the asylum that the authorities are trying to hide. He could start to question his own sanity as he witnesses the extreme cases of mental illness around him. And perhaps, through his experiences, he might find a way to bring some sort of change or hope to that desolate place.
He might be amazed by the grandeur of Asgard. Its golden palaces and powerful magic could both intrigue and intimidate him. Maybe he'd meet Thor and they'd exchange stories about their different kinds of magic and heroic deeds.