A small town with a big history, Helotes--20 miles northwest of downtown San Antonio--was named for the Spanish word elotes, or corn on the cob. So extensive were the fields of corn along its namesake creek, a Spanish official in 1723 called the area el Puerto de los Olotes, or Corncob Pass. When settlers later arrived, few ancient cornfields remained. Situated along Bandera Road, the town became a stagecoach stop, and a post office was established...