How German is American PDF-booklet published 2005 by the Max Kade Institute for German-American Studies at the University of Wisconsin investigating "the many ways in which influences deriving from German-speaking Europe, rather than being submerged, may still be seen flowing in the mainstream and tributaries of culture across the American landscape."
Chicago's Christkindlmarket Chicago's Weihnachtsmarkt, which you must visit if you're ever in Chicago between Thanksgiving and Christmas: many of the vendors actually still speak German!
Deutsche Welle webpages on German Americans Interesting webpage in German including articles on famous people like Dr. Ruth Westheimer, Jochen Hecht (ice hockey player for the St. Louis Blues), and ordinary people like the Amish or Wolga-Germans in North Dakota.
Zion Lutheran Church and Ann Arbor's German community Zion Lutheran Church (originally named Bethlehem Lutheran Church), whose original building was constructed in 1833 for $265.32, was the first church in Michigan to conduct services entirely in German.
MLA Language Map [Link currently broken: site being updated - but this link to the MLA Language Map Data Center does currently work (1/2019)] This map displays the locations and numbers of speakers of the thirty languages most commonly spoken in the United States. Choose German and see what happens!