In the latest edition of the Scottish Rite Journal, the official magazine of the Supreme Council - Southern Jurisdiction, I highlighted the history of the organization's headquarters - the House of the Temple. The first House of the Temple stood on Third Street in downtown Washington. The Supreme Council first rented the building but later purchased it outright. For several decades, the building served as an important center of Masonic activity and politics. In 1910, the building was transferred to the local Scottish Rite bodies in Washington to build their current iteration on 16th Street.
You can check out the full article online here.