Expect a busy, awe-inspiring building site that still feels like a church. The interior is genuinely stunning—light filtered through colorful stained glass, forest-like columns, and intricate details everywhere. If you add the towers, you'll get close-up views of the sculptural work and decent city panoramas, though the climb or elevator ride can involve queues. A standard visit takes 45-90 minutes; guided tours add context about Gaudí's life, symbolism, and why it's still unfinished after 140 years. Without a guide it's still impressive but you'll miss a lot of the meaning.
Best time is shoulder season (March-May or September-October) when crowds are manageable and weather is mild. Avoid July-August and Christmas if possible. Expect to pay around €50-€80 per person: basic skip-the-line entry starts lower, but a decent guided tour with tower access pushes toward the higher end. Book timed tickets well in advance regardless.
Tip: Choose the early morning slot and get the audio guide or a live guide—it's worth it here. Skip the towers if you're short on time or hate heights; the main nave and exterior facades deliver most of the impact. Bring binoculars if you're going up—they help spot details on the spires.
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