I don't know what you mean by "visiting WP". Let me be a more specific....
Do you have an LOA, LOE, recruited athlete? If so you are invited to stay over night and visit with admissions the next day.
If you do not have those invitations the most you'll see is through a tour by bus. You will not be permitted to wander through the post, there are limits. You will not be able to talk with admissions. You just can't drive up to Thayer gate and ask to go in. You need to have gone through security clearance before hand to visit. You may get a chance to meet from admission if you ask ahead of time. I doubt you will be able. But you can always ask by calling.
Push Hard, Press Forward