3 Must-See Hop-off AttractionsIf you don't have much time to explore the wonders of Brussels then these 3 Bus Stop are the ones for you! First hop-off at Bus Stop 4 (the blue line) at Atomium, one of Brussels' wackiest tourist attractions! A Or for the historians out there, take the red line and hop-off at Bus Stop 2 to see the Palace Royale. Dated back to the 18th century and situated in the heart of Brussels, this attraction offers you an insight into the history of this beautiful city. Both lines start at Bus Stop 1, situated at the Central Station and you can hop-on and hop-off between the two lines whenever you want!