A:
The best Public Transportation Tours in Barcelona according to Viator travelers are:
- Ramblas, Old Town, Gothic and Gaudi Architecture Walking Tour
- Sagrada Familia and Gaudi Private Tour with Skip the Line Tickets
- Barcelona: Sagrada Familia, Modernism & Gothic Quarter
- Gaudi houses Private Tour: La Pedrera & Casa Vicens skip-the-line
- Barcelona private guided walking tour to Old Town, lunch and Sagrada Familia