Impossible Canyons

Historical marker location:

Marble Canyon, Arizona

( Marker is on U.S. 89A at milepost 538.3, on the right when traveling west.)

Marker installed: 1976

Dominguez y Escalante Expedition 1776-1976.

Arizona was a hotbed of Old West outlaws: In the late 1800s, Arizona was a hotbed of Old West outlaws, including the likes of Wyatt Earp, Doc Holliday, and the Clanton Gang. The infamous Gunfight at the O.K. Corral, which involved Wyatt Earp and his brothers, took place in Tombstone, Arizona in 1881.