Photos: Cal Wolfe · CC BY-SA 3.0 · Nicolas Raymond from Bethesda, Maryland, USA · CC BY 2.0 · Cynthia Fascenelli Kirkeby · CC BY-SA 3.0 · trophygeek from San Francisco · CC BY 2.0 · Mtch3l · CC BY-SA 3.0
You cannot just turn up by car: reservations are required for all vehicles and shuttle riders, released at 9am Pacific up to 90 days ahead. Entrance $15 for 16 and over, plus parking at $10 or shuttle at $4. Download your confirmation, as there is no cell service.