Had a wonderful day. Good Guide who told a lot., been to places we had never found. What natural phenomena, very beautiful to see. A minus is that it is indicated on the site that everything is inclusive, but that you still have to pay $20 dollars per person for the entrance upon entering Yellow Stone Park. I think this is a strange state of affairs. The tour is quite tough in terms of price and then there is something more. I think it's good that this is included on the site.