A mile deep, eighteen miles across, and two billion years of rock laid bare.
Been here? Send us a photo — get credited as Freedom ScoutWhy it matters
The scale is the point. Photographs have never once done it justice.
Nearby in Arizona
Arizona State Capitol Museum
Phoenix, AZ
Tombstone
Tombstone, AZ
Wesley Bolin Memorial Plaza
Phoenix, AZ
National Memorial Cemetery of Arizona
Phoenix, AZ
Arizona Military Museum
Phoenix, AZ
Heard Museum
Phoenix, AZ