If I visit for last admission, how long will I have in the attraction? You will have over an hour to visit after our closure. Related articles Will I have to queue to get into Madame Tussauds Las Vegas? How old must you be to enter the attraction unaccompanied? Where is Madame Tussauds Las Vegas Located? When is the quietest time to visit? Are there any restrictions for children at Madame Tussauds Las Vegas?