Deep below the earth in Southern Indiana is a sea of limestone that is one of the richest deposits of top-quality limestone found anywhere on earth. New York City's Empire State Building and Rockefeller Center as well as the Pentagon and the U.S. Treasury are built from limestone.
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Peru Indiana was once known as the "Circus Capital of America".
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Indiana's shoreline with Lake Michigan is only 40 miles long, but Indiana is still considered a Great Lakes State.
