National Register of Historic Places significant in U.S. history more...
National Park Service History & Culture website History is everywhere! more...
Michigan Lighthouse Conservancy All about Michigan lighthouses more...
Lighthouses of Lake Superior lights on the largest Great Lake more...
Did You Know?
Mineral stains give color to the famous cliffs of Pictured Rocks National Lakeshore. Red and orange colors are iron, black is manganese, white is limonite, and green is a trace of copper. There are no pictographs or petroglyphs on the Pictured Rocks cliffs (that we know of).
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