An extremely shiny piece of bling, so big and amazing that it inspires anyone who sees it to ask questions about its origins, the bearer, and most anything else they can think of.
A classical enchanted weapon…
A large river that is continuously covered in a thick layer of fog. There will be either a rope ferry to get across or possibly a boat that is rowed across by worshippers of the water elementals. It is very thick fog to the point where it even muffles voices even at close range and visibility even beyond a foot is almost impossible.