One of the most impressive Gaudi's masterpieces in Barcelona - park Guell - can be visited with no admission fee. Plan at least few hours for an amazing walk.
(picture provided by Barcelona Turisme)
Another good walking tour in Barcelona - follow the architectural traces left by the most outstanding person in the history of Barcelona - Gaudi. Gaudi Free Walking tour is combined walking and two short metro trips (tickets not included) around Barcelona to give you an insight to the genius of his architecture. The tour starts from Place Real (meeting point at the water fountain), every day at 11:00 and lasts about 2.5h.
Recognized as one of the most populat European destinations Barcelona offer a plenty of free walking tours where guides work on a tip basis. Discover walking tours offer several theme walking tours, no registration required, just show up.
The Picasso walking tour - La Ribera, with a native guide from Barcelona is like strolling around Barcelona with a friend Every day at 17:00 (except December 24 and 25), in winter season from October 15 on Mon. Tue. Fri & Sat.
With this Ramblas and Barri Gotic walking tour let yourself be touched by the mysterious, imaginative, and inspired spirit of Barcelona. Every day at 15:00 (except December 24 and 25), in winter season from October 15 on Mon. Tue. Fri & Sat.
The layout of the park stretches over three levels, like layered terraces. The labyrinth, the central feature of the premises, is in the lower area. Water, together with the plants, is the main character throughout park. Overall, there are over 20 water features −(pools, fountains, reservoirs, canals, waterfalls) − which help a large variety of plant species to grow. Free admission on Wednesdays and Sundays.
There are several companies offering free walking tours that cover major sights of Barcelona.