Porto is Portugal’s second-largest city situated along the Douro River estuary. See the city from a different light through a cruise down the scenic Douro River. A traditional Rabelo boat passes by important landmarks and gives a peek into the importance of the river to Porto. Explore Riberia, Porto’s riverside area featuring a picturesque piazza, bars, restaurants, and pastel-colored houses. Visit Louis bridge, a twin-level metal arched bridge built-in 1886. The architectural marvel provides fantastic views of the Cais da Ribeira. Enjoy a musical show at Casa da Musica, a concert hall with high-tech scenography, and acoustics. The 1300 seater venue has been lauded for ushering in a change in traditional auditorium designs.