The Kensington Runestone is a big block of greywacke stone inscribed in runes. The Kensington Runestone was supposedly discovered in Kensington, which is in central Minnesota all the way back in 1898.

While clearing out some land he’d purchased close to the township of Kensington, he found a slab of sandstone lodged within the hard, tangled roots of a tree. His son Edward noticed some strange ...