Wishlisted by Matt Mayer
Would you believe that this tiny village in eastern Sweden has not one, not two, not three but FOUR chemical elements named after it! The chemical elements yttrium (Y), ytterbium (Yb), erbium(Er) and terbium (Tb) are all named after Ytterby. In 1787 Lieutenant Carl Axel Arrhenius was exploring a nearby mine when he discovered a new black mineral. Finnish chemist Johan Gadolin analysed the rock, later named Gadolinite. It proved to be a rich source of new elements, eventually seven new elements were found in the minerals of Ytterby's mine! Nowadays a historical marker marks the entrance to the mine and this little piece of scientific history.
@asundgren you should take a pilgrimage here