295Reichstag Building glass dome: completely free with mandatory online bookingNorman Foster’s glass dome and rooftop terrace atop the German Parliament offer 360-degree city views and an informative…BudgetCultureSightseeing
305Ride public Bus 100 on the top deck for a €3 city sightseeing tourSkip commercial double-decker hop-on hop-off buses charging €30. Public bus line 100 runs double-decker buses between Al…Travel hacksTransitBudget
