According to the latest U.S. National Park regulations, non-U.S. residents aged 16 or above must pay an extra 100 US dollars per person, in addition to the standard ticket, at 11 designated national parks. U.S. residents must bring valid identification documents such as passport, driver’s license, or green card.
All personal expenses and any fees not included in the package, such as customs duties on personal belongings, fees for overweight checked baggage and storage, laundry, haircuts, phone calls, fax, pay-per-view TV, beverages, tobacco, alcohol at the hotel, and transportation during free time, are excluded.