Brussels Attraction Tours to Book
The attraction tours worth paying for in Brussels are the ones that get you somewhere you cannot walk into alone: a working chocolate atelier, the buried cellars of a 16th-century palace, or a private Art Nouveau interior that stays locked to the public the rest of the year.
Choco-Story chocolate workshop
Rue de l’Étuve 41, fifty meters from Manneken Pis. A straight museum visit with a live demonstration and praline tastings runs €11 to €14 for an adult. The better version is the hands-on workshop, an hour making mendiants and personalized chocolate bars under a working chocolatier, priced €35 to €42 per person including museum entry and everything you make. Open daily 10:00 to 18:00; book the workshop ahead on GetYourGuide , since walk-up slots are limited.
Coudenberg Palace, underground
The entrance sits inside the BELvue Museum at Place Royale 10. Below the street runs the vaulted 16th-century cellar network of the old Palace of Charles V, buried after a fire in 1731 and rediscovered decades later. An audio guide is included in the €10 adult ticket (€8 seniors, €6 ages 18-25, free under 18), open Tuesday to Friday 9:30 to 17:00 and weekends 10:00 to 18:00, closed Mondays, per coudenberg.brussels . It is included with the Brussels Card.
ARAU architectural tours
The Atelier de Recherche et d’Action Urbaines has run guided coach and walking tours of Brussels architecture since 1969, including access to Art Nouveau interiors that do not otherwise open to visitors, such as Maison Saint-Cyr and Hôtel Solvay. Tours run weekends from March to November, priced €25 to €40 depending on which interiors are included that day, and need booking weeks ahead at arau.org .
Tootbus hop-on hop-off
Two electric routes depart from Gare Centrale and Mont des Arts: a Blue Line out to the Atomium and Heysel, and a Red Line through the EU Quarter, Flagey and Avenue Louise. A 24-hour pass is €34 for adults and €17 for children 4-12; 48 hours runs €42. Buses run daily roughly 9:30 to 17:00 every 30 to 45 minutes with an audio guide through the app. It stays on ring boulevards and cannot enter the pedestrianized Grand-Place or the Sablon alleys, so pair it with walking for the historic core. Compare hop-on hop-off options on Viator if you want a route that fits a specific afternoon.
Booking around the gaps
None of these run at full capacity walk-up. Coudenberg is the most forgiving for a same-day decision; the chocolate workshop and ARAU tours sell out days to weeks ahead in summer, so book those first and build the rest of the day around them.
Before you go
The Brussels Card covers Coudenberg but not the chocolate workshop or ARAU, and it does not cover Tootbus either, so check what each ticket actually includes before assuming the card pays for it. For the landmarks these tours pass on the way, see the Brussels sightseeing guide .