It includes the St. Louis County Courthouse, Duluth City Hall, and the Gerald W. Heaney Federal Building.

The complex was designed by urban planning pioneer Daniel Burnham in 1909 and constructed over the next twenty years.

The Saint Louis County Courthouse, completed in 1909, was designed by Daniel Burnham & Co. as the focal point of the complex.

Duluth City Hall was designed by the local architectural firm of Shefchik & Olsen and built in 1928.

[2] An act of Congress officially named the Federal Building for former District Court judge Gerald Heaney in 2007.