Namur, the capital of Wallonia, makes for a great day trip from Brussels! Climb up to the citadel with the cable car and enjoy the panoramic view of the city. The little train going around makes it easy to see even with young kids. Reine Fabiola, a small amusement park is right next to the citadel
Raversyde has two separate museums and a nature park. Atlantikwall is a complex of German WWI & WWII bunkers, tunnels & observation posts, perfect for history lovers. Use the audio guide for the self-guided tour.
Anno 1465 offers reconstructed medieval village houses to learn about the daily life in 1465.
There is also a nature park, where you can have a 2.5km walk around the site
A military history museum with medieval armor and tanks; also an aviation hall and access to the top of the Cinquantenaire arch with a panoramic view!
Prehistomuseum is an interactive, kids-friendly museum where kids can hunt a mammoth or light a fire!
Bois Jacques is known for its foxholes from WW2