Mathematician Gauss left behind a trophy case of mathematical achievements to highlight on his tombstone, but above all he wanted a regular heptadecagon etched on it
This bay [Sequim] opens on the Strait of Juan de Fuca and is now known as Washington Harbor. (Meany, p. 335). These geographic names used by Kautz generally had their origin with either the Vancouver Expedition of 1792 or the Wilkes explorations of 1841.
https://www.scientificamerican.com/article/why-this-great-mathematician-wanted-a-heptadecagon-on-his-tombstone/