Soon after the formation of Mercer County in 1838, a Greek Revival structure was erected on the top of Mill Hill. In 1852 Daniel Webster, one of America’s greatest orators and lawyers won a patnet infringement case for Charles Goodyear in that courthouse that paved the way for America’s greatest rubber company. In 1903 the current Beaux Arts sandstone building, with its pediments, columns and arches grand, classical structure was built.