Complex sentence: The Peralta Stones are a set of engraved stones rumored to indicate the location of the famed Lost Dutchman's Gold Mine, supposedly discovered by German immigrant Jacob Waltz in Arizona, United States.
Split into simpler sentences: The Peralta Stones are a set of engraved stones. Some people believe they indicate the location of the famed Lost Dutchman's Gold Mine, in Arizona, United States.