Constructed in 1803 this was the second of the three new gates into the city. Although originally named New Gate, by the mid 19th century it was known as Castle Gate after the medieval tower house built by the O'Doherty family.
This churchlike white frame structure with its graceful cupola was built in 1890 as the second Arenac County Courthouse. The first courthouse on this site burned the previous year. Omer had been a part of Bay County until Arenac was organized in 1…