Welcome to Mac Forums, and congratulations on your new purchase.
Beginners questions are very welcome here.
Home Folder (user folder)/Pictures/Photo Booth
May I suggest that you have a look at Apple - Find Out How - Mac Basics
Also, if you could add your Mac model and specs to the info of your Mac Forums profile, that would be great. This way, if you have specific questions in the future, it helps give you informed answers.