Eureka, Utah
The city was named from the Greek word "eureka", meaning "I have found it!" The city and its history was explored on the show "Ghost Adventures" in 2018.
Erecura
The theonym is of unclear origin. It has been connected with Latin "aes, aeris" 'copper, bronze, money, wealth', "era" 'mistress' and the name of the Greek goddess Hera. Many different Latinised forms of this goddess’s name occur: "Aeraecura" at Perugia; "Aerecura" at Mainz, Xanten, Aquileia and Roşia Montană; "Aericura" at , "Eracura" in , "Ercura" at , "Erecura" at , Tongeren and Belley in Aube; "Heracura" at Stockstadt am Rhein, "Herecura" at , Freinsheim and Rottenburg am Neckar, where the form "Herequra" is also found.