To narrow it down, I would highly recommend you research study abroad organizations that can help you figure out what some of the best options are that match your goals, and also provide resources and guidance to make it happen.
This is a very broad topic and so many ways to approach it! To narrow it down, I would highly recommend you research study abroad organizations that can help you figure out what some of the best options are that match your goals, and also provide resources and guidance to make it happen. Not all study abroad, for example, is for your entire degree, maybe you want to just do a year or a semester. Your college might have a study abroad department that can also help with that.