I'll make it easy for you and send you the links to a few, but you can find a ton of cool ideas on here aside from mine.

https://www.roleplayerguild.com/topics/194899-though-the-sun-never-set-high-fantasy-nation-based-rp/ooc
(Most recent check, I don't think anybody's digging it, that's fine I was all over the place with writing it)

A compilation of ideas I recently started:
https://www.roleplayerguild.com/topics/194881-yet-another-idea/ooc#post-5592647

Would love to have you with this one if you're interested:
https://www.roleplayerguild.com/topics/194849-where-the-thoughts-end/ooc#post-5592472

https://www.roleplayerguild.com/topics/194862-laconrannes-academy/ic#post-5592105

https://www.roleplayerguild.com/topics/194832-a-dime-a-dozen-investigative-woes/ooc#post-5591241

https://www.roleplayerguild.com/topics/194876-a-slew-of-ideas/ooc#post-5591796