Park Store in the Visitor Center is open 9 am to 5pm, 7 days/week. Visitor Center is often closed for the lunch hour. Closed Thanksgiving Day, December 25, and January 1. Park Store operated by Western National Parks Association. Just outside of the Visitor Center, you will find a plaque recognizing the park's World Heritage designation. La tienda en el Centro de Visitantes está abierta de 9 am a 5 pm todos los días. El Centro de Visitantes está cerrado durante la hora del almuerzo.