World's Ugliest Tower of Wood Construction in North Carolina.

It looks they have since dropped the "white" requirement and focus on the manufacturing trades, and have decided to maintain a conservative constitutional agenda. Their symbolism appears much like the Masons.

References here, here and here.

Or we'll erect hideous architecture everywhere! The OUAM and Junior OUAM were nativist organizations that arose in response to a rapid increase in immigration from abroad in the several decades prior to the Civil War. According to the Wikipedia article (never a conclusive source but often a good place to begin one's enquiries), its membership was restricted to white males born in the US, and and its main objective was to foster preference for goods produced domestically and employees who were native citizens. No doubt but that the character Bill the Butcher from "Gangs of New York" would have been an enthuisiastic member. The term "mechanic," by the way, was used in the 18th and 19th Centuries to describe almost anyone who was involved in the making or repair of complex objects, from steam engines to buildings. Like the "Know Nothing" political party that existed roughly contemporaneously with its early days, the OUAM failed to prevail, and seems to have lived out its remaining years like many other lodges, providing a venue for social intercourse and bestowing death and burial benefits for indigent members. Or was it another clever front for the insidious Illuminati?