There is one MAC emulation virtual PC called pearPC but in my attempts I was not able to make it work. Plus, it contained a virus in one of its ready empty disk images.
It is possible to install MAC OSX on PC hardware, but this is not allowed by the license of the apple software.
If you are just curious on how this is done, here is where you can read (just to educate yourself)
http://osx86.thefreesuite.com/