1401 Mississippi Ave, Duluth, MN 55811

There are homes that shelter people, and there are homes that reflect them. This home is the second kind. Known locally for more than fifty years as the “Mushroom House” or “Flintstone House,” this architecturally iconic triple-dome home was built in 1970 by Duluth developer George Hovland and designed by architect Stan Nord Connolly using an innovative foam-shell construction method. Tucked into a private, wooded 0.60-acre lot in Kenwood, the setting feels hidden away while remaining walking distance to the University of Minnesota Duluth and the College of St. Scholastica. Inside, the home unfolds with curved walls, soaring dome ceilings, and spaces that feel more sculpted than built. The main level features a sunken living room with built in sofa and a dramatic wall of seven-foot patio doors leading to the wraparound deck overlooking the trees. The arched kitchen includes a breakfast bar area and carries through the organic geometry that makes this home unforgettable. The primary...