The Cal-Linn Building in Albuquerque, where computer megacompany Microsoft was founded, was designated to the National Register of Historic Places. The National Park Service, which administers the program, announced the designation in an email on Sept. 4. The designation was effective on Sept. 1. The Cal-Linn Building is at 6320 Linn Ave. NE, one block … Continue reading Albuquerque building where Microsoft was founded is added to the National Register of Historic Places