The underwater pyramids
References
"Man-Made Remarkable Underwater Structures Could Rewrite History Of Wisconsin - MessageToEagle.com." MessageToEaglecom. 14 Mar. 2015. Web. 11 Dec. 2015.
"Found: The Lost Pyramids of Rock Lake." Found: The Lost Pyramids of Rock Lake. Web. 11 Dec. 2
"Right Pundits." America Unearthed – The Underwater Pyramids of Rock Lake, WI ». Web. 11 Dec. 2015.
"Atlantis in Wisconsin, In Search of King Solomon's Mines, Mary Sutherland, Pyramid Builders of Rock Lake, Ancient Sites of Wisconsin, Rock Lake Pyramids, BUFO Paranormal and UFO On-Demand Internet Radio, UFO, Paranormal, Anicent Mysteries, Prophecies, Anc." Atlantis in Wisconsin, In Search of King Solomon's Mines, Mary Sutherland, Pyramid Builders of Rock Lake, Ancient Sites of Wisconsin, Rock Lake Pyramids, BUFO Paranormal and UFO On-Demand Internet Radio, UFO, Paranormal, Anicent Mysteries, Prophecies, Anc. Web. 11 Dec. 2015.