Eureka, Illinois
Eureka, Missouri
Eureka, Kansas
Eureka, Nevada
Eureka, California
Eureka Stockade
Eureka (word)
Eureka County, Nevada
Eureka College
Electoral district of Eureka
Eureka Tower
Eureka, South Dakota
Eureka! (2022 TV series)
Eureka, Utah
Eureka Springs, Arkansas
Eureka effect