Parc de la Ciutadella
For decades this was Barcelona's only green space — and where a still-unknown architecture student named Gaudí got his hands dirty.
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The ground held a fortress Philip V forced on the city after the 1714 siege — razed, handed back, then remade for the 1888 World's Fair. One loop passes a monumental waterfall, a brick fairy-tale castle, and the seat of the Catalan Parliament.
What to look for
- The Cascada fountain (inaugurated 1881): Venus stands on an open clam — a young, still-unknown Antoni Gaudí worked on the fountain under Josep Fontserè.
- Castell dels Tres Dragons, Lluís Domènech i Montaner's red-brick castle built for the 1888 Expo, later the zoology museum.
- Josep Clarà's 1923 bronze nude, Als Voluntaris Catalans, honoring Catalans killed fighting under the Allied flags.
31 hectares; the entrance sits by the Arc de Triomf (metro/Rodalies stop of the same name). The former arsenal now houses the Catalan Parliament.
Parc de la Ciutadella is one of 39 sights worth the detour in Barcelona, all bundled offline in Voyage GO — download the Barcelona pack and it sits on your map with no signal, filling your travel passport the moment you walk past.
More to see in Barcelona
- Sagrada FamíliaGaudí is buried beneath a church begun in 1882 and still unfinished — one that in 2025 became the world's tallest.
- Camp NouThe bowl that once crammed 120,000 people in to watch Barça — European football's biggest room.
- Park GüellGaudí's failed luxury subdivision — 2 of 60 planned homes ever built — that Barcelona inherited as a mosaic playground.
- Casa Milà (La Pedrera)Gaudí's last private house looks like a wind-carved sea cliff parked on a city corner.
- Casa BatllóGaudí reskinned a townhouse into a slain dragon, down to columns shaped like leg bones.
- Barcelona CathedralThirteen white geese live in the cloister — one for each year Saint Eulalia was alive before Rome killed her.