What are some other shows similar to Maria-semen ga Miteru?
Every show in existence, past or present, is derived from this show.
Try Aria, it's the closest I can think of.
Gurren lagann then?
Kamichu, Kemonozume, Simoun
basically, anything good rite
Seriously though, 4chan is not the place for anime recommendations. Anyone who bothers to take the time to respond to this thread will be a troll telling you to watch exactly the opposite of what you're looking for. Try asking at any of these places, these guys will give you serious answers:
Anime on DVD's forums
Don’t ask at Anime News Network’s forums because the moderators are very strict and lock recommendation threads on sight.
If you don’t want to wait for replies, try looking around in these anime databases until something piques your interest:
>Maria-semen ga Miteru