Maritime archaeologist Tamara Thomsen discovered this 1,200-year-old dugout canoe in Lake Mendota, Wisconsin, in June 2021.

Archaeologists Are Finding Dugout Canoes in the American Midwest as Old as the Great Pyramids of Egypt

In the waterways connected to the Great Lakes, researchers uncover boats that tell the story of millennia of Indigenous history

The Indiana Statehouse, opened in 1888 and built—of course—with Indiana limestone.

Why Indiana Limestone Is One of America's Most Prized Building Materials

From the 19th century to today, a geological trove offers a strong foundation for the nation's cities

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