Local guide stitches 2h night lights: Casa Batllo Pedrera walk Pg Gracia Sagrada exterior—skip random wander.
Spend 2 hours on floodlit Gaudi facades: Batllo, Casa Mila, Sagrada exterior—paced night walk, not rushed.
Leave with night-lit Gaudi exteriors ending at Sagrada. Outdoor only; no tickets; no interiors or skip-the-line.