Your entrance fee entitles you to visit 3 chambers and it's worth finding out which are open on the day of your visit and choosing what interests you. There is some variety in the preservation of some of the tombs - but in many the colours are phenomenal and the detail is awesome. Nearly everyone has heard the story of how King Tut's burial chamber was discovered by Howard Carter (or his donkey - actually). When you visit the Valley of the Kings, Tut's tomb is an extra change in addition to the 3 that are included in your entrance fee. If you're on a guided tour, you may feel a bit rushed in your visit if you intend to see Tut's as well as your regular three.