You will ride from your meeting point through the Gothic Quarter where you can admire the metropolitan Cathedral of Barcelona, Plaza S. Felipe Neri (a romantic corner in the heart of the old city), and the Plaza S. Jaume (the political and administrative center of the city since its foundation). After crossing the old Roman street of Via Laietana, you will reach the Borne, where you will discover the Cathedral of Santa Maria del Mar, and the Born Cultural Center. Afterwards, crossing the Park of Ciutadella, you will reach the Ach of Triumph, the border line between the old city and the new city. From there and utilizing special bike lanes, you will enter the new city where you will encounter Gaudi's famous Sagrada Familla. Following that, you will ride toward Passaig de Gracia where you will discover emblematic Modernist private houses designed by Gaudi. You will encounter Casa Mila (Pedrera) and Casa Battlo, and from there you will cross Placa de Catalunya before biking back to the meeting point.