I would recommend browsing through this list and checking some of them out: https://myanimelist.net/topanime.php?type=bypopularity
As a personal recommendation, I really enjoyed Mushishi and it has some Ghibli vibes. Lots of mystical, spiritual stuff going on in each episode with an overall chill and melancholy feel. https://myanimelist.net/anime/457/Mushishi
I would recommend browsing through this list and checking some of them out: https://myanimelist.net/topanime.php?type=bypopularity
As a personal recommendation, I really enjoyed Mushishi and it has some Ghibli vibes. Lots of mystical, spiritual stuff going on in each episode with an overall chill and melancholy feel. https://myanimelist.net/anime/457/Mushishi