I was looking today at my entry pass to Mt Vernon and the date is 10/13/2000 Fee was $9.00 for the adult pass. Checked today and the same pass is now $18.00 Anyway. you can spend all day at this plantation. They will not allow you to shoot inside photos to preserve the site. Outside is no problem. There you may wonder about the more than 300 slaves Washington owned. Where did they sleep? Why does Mt Vernon not have an inside the home kitchen? Where is the kitchen? Will you find that Washington was buried on the property first at one grave then later moved to the current site? If you get a chance, you can also get $2.00 discounts online. I bought my ticket on the property. The roads in that area weave like a snake so a good idea is to use the GPS and of course check google maps. https://www.mountvernon.org/en/ticketing