If you'd like some outdoor adventure, pay a visit to Svanninge Bjerge. No easy stroll around the block, this hike is great for a mid-vacation work out.
You'll find this steep landmass in Faaborg. Once you've explored everything you want to at Svanninge Bjerge, have a look at nearby Faaborg Museum, Arreskov Slot, and Klinten strand.