Grand Rapids, United States

Six researched records in Grand Rapids, the United States: four museum displays and two relocated segments.

Between them the sources report two segments of wall. A licensed photograph illustrates two of them. Map positions are missing for two of them: either no source supplied one, or the one supplied could not be right.

See the rest of United States, or the whole catalogue on the map. Every record is labelled Reported rather than verified; the research methodology explains what that means.