A county-by-county guide to Minnesota's more than 1,500 holdings on the National Register of Historic Places, the country's official list of historic properties.

Extended essays and four-color photos highlight 75 buildings and sites on Minnesota's National Register of Historic Places, from the grand and polished to the simple and unadorned.

Since 1865 African-American architects have been designing and building houses and public buildings, but the architects are virtually unknown. This work brings their lives and work to light for the first time.