Budapest Sightseeing Cruise. Admire Budapest’s stunning panorama on a 90-minute cruise along the Danube River, sipping on a complimentary coffee or tea as you go. Glide past the Hungarian Parliament Building and the Royal Palace, and take in views of the historic Chain Bridge. If you’re up for a snack while you sightsee, traditional spreads and bread are available for purchase on board to enjoy with your complimentary coffee, tea or soda. Your tour will conclude at its original departure point. Book and Save 10% Off Budapest Sightseeing Cruise.