People are curious to know who has viewed their profile.There might be hundreds of people who are viewing your profile.In this some visitors may be your friends,some may be your enemy,and some other people you might not come across in your life.
They might have accessed your personal details and your contacts.Actually speaking this is a matter of privacy.But facebook offers many options to control your privacy.
One has to be very careful when using facebook , when you share,post photos,videos,etc.Always select privacy options so that you can control who can see your content.
But to be honest it is not possible to get the list of people who has peeped into your account .