Tønsberg Castle is just one of the places to see in Tonsberg, so why not enjoy the other things to explore during your travels? While you're in the area, stroll along the marina.
Enjoy an outing to Fredrikstad Tourist Office during your stay in Fredrikstad. Take in the museums while you're in the area.
You can learn about the history of Fredrikstad with a stop at Kongsten Fort. Discover the waterfalls while you're in the area.