How to download funland on minecraft?

Okay so i have minecraft on mac and i just bought it. I followed a tutorial on youtube and i followed each step. I got to the point when i have everything on my desktop. I have the read me first and the funland map and the funland document. I just need to put it in my minecraft saves and it will appear in my game. When i go to my finder i don't have a library or a minecraft saves please help me! Where do i put my folder so i could play FUNLAND!