Oldtidsveien - Rock Carvings

Between Fredrikstad and Skjeberg (pop. 13,500) runs the "Prehistoric Trail" (Oldtidsveien), along which are a series of prehistoric remains: rock carvings at Solberg (human figures, solar symbols, ships) and Hornnes (ships with animals' heads on the prow), 200 burial mounds at Store Dal Felt and rock carvings at Begby, including solar symbols, human figures, animals, and men with swords and phalluses (Bronze Age).