Passeig de Gràcia and Eixample Walk

Walk along Passeig de Gràcia to see Barcelona's finest modernist architecture. The Route: Stroll from Plaça Catalunya to Diagonal, passing Casa Batlló, Casa Amatller, and La Pedrera. Dog-Friendly: Wide sidewalks, shaded sections, and many café terraces for stops. Architecture: The Manzana de la Discordia block has three competing modernist buildings.