Tombstone, Arizona
From Tardis Wiki, the free Doctor Who reference
Tombstone was a town in Arizona in the United States of America. In October 1881, the First Doctor visited Tombstone in search of a dentist, who happened to be the gunfighter and gambler Doc Holliday. He and his companions Steven Taylor and Dodo Chaplet soon became involved in Holliday's feud with Ike Clanton and his brothers Billy and Phineas. (DW: The Gunfighters)
