Part of Swedens famous Rök runestone, which bears the longest-known runic inscription in stone. The Norsemen continued the practice of mixing runes with Christian symbols until the 17th century, when the medieval church banned runes in an attempt to drive out all vestiges of superstition, paganism, and magic. Runes fell out of widespread use but did not disappear altogether.
This is the Swedish warship Vasa, it sank in 1628 and was recovered from the ocean in 1961 almost completely intact. This is the only remaining intact ship from the 1600's. This ship is housed in The Vasa Museum in Stockholm Sweden. A museum built around the ship.
Sweden is home to more than fifty underground bunker substations built during World War II. Concealing powerful generators, bomb-proof, cooled by underground rivers, these structures still look like they can survive anything "Half-Life"