Find something in minecraft you are good at.If you like getting on servers do server reviews (what you do and don't like about the server).Or if you like mods do mod reviews.Or survivial lets plays.Or lets build.Good luck with youtube!
I think a mod that added amusment park rides like ferris wheels, carousels, twisters, slides, and I alsothink it should add loops, brakes, corkscrews, helixes, lift hills, etc. to minecart track so the player can create epic roller coasters.
1 A wide open spawn point so it does not seem crowded 2 One that is themed like a city 3 going with the city idea parkour across the rooftops ,and multiverse portals