Some of Duluth’s most-prized treasures — old maps, newspaper clippings, historic photos, original lift ... deep on the campus of the University of Minnesota Duluth, in an annex building ...

From there, you can see most of Duluth and about 25 miles into Wisconsin. Dierckins is an author with Zenith City Press. He's written about Enger Memorial Tower and says the 85-year-old structure ...