What is an anime with spectacular animation that isn't shounen?
Pretty much anything Kyoani Studio,
A couple from this season
FateGrand Order Zettai Majuu Sensen Babylonia
and
My favorite anime based only on animation and that are not adapted from a shounen manga :
1) Adapted from a seinen manga
Ping Pong the Animation
2) Adapted from a seinen manga
Mind Game
3) Inspired by a famous tale
Kaguyahime no Monogatari
4) Adapted from a novel (one of the final scene contains my favorite sakuga of all time)
Nijiiro Hotaru Eien no Natsuyasumi
5) Adapted from a seinen manga
One Punch Man
6) Original work
Noein Mou Hitori no Kimi e
Everything about this show is spectacular
Flip Flappers
symphogear pfp and banner?? A fellow man of culture...
I'd probably recommend Fate/Zero. It's a pretty good starting point if you've never gotten into the Fate/ universe before, and the animation will absolutely blow your socks off. Believe me when I say that it's probably like nothing you've seen before.
I could also recommend Beastars?? Which may seem. IMMENSELY QUESTIONABLE at first, but it's a really good romance with CGI animation that's actually Good. It's definitely not for everyone though, but it's definitely more than just "that furry anime" if nothing else.
Kotonoha no Niwa and basically every Makoto Shinkai's movies
Ponyo
Akira
REDLINE
Little Nemo Adventures in Slumberland
Harmagedon
Neo Tokyo
X 1999
Hyouka
Space Dandy
Macross Plus
There's like tons of them. Basically any Ghibli movie (only listed Ponyo because it's the most impressive on terms of animation) would be eligible for this.
Also ITT: People posting shounen