Igreja do Carmo

Igreja do Carmo showcases one of Porto's most spectacular azulejo displays: a massive 7-meter-high tile panel covering the entire side wall. Created in 1912 by Italian artist Silvestre Silvestri, this blue and white masterpiece depicts scenes from the founding of the Carmelite Order using thousands of hand-painted tiles. You'll also spot the famous 1-meter-wide house squeezed between this church and its neighbor, a quirky architectural solution to religious building laws.

The azulejo panel dominates your visit and rightfully so. Standing in the small square, you can spend ages picking out details in the intricate tilework that tells the Carmelite story from bottom to top. The church interior feels almost secondary after that exterior spectacle, though the gilded baroque altarpiece deserves a look. The tiny house between the churches (called Casa Escondida) always draws crowds taking photos, and you'll hear guides explaining the old law that prevented religious buildings from sharing walls.

Most visitors rush through in 10 minutes for the tile photos, but the panel rewards closer inspection if you have time. The church interior is free but honestly skippable unless you're doing a full baroque church tour of Porto. Come in morning light when the tiles look most vivid, and don't bother queuing for photos of the narrow house unless you really need that Instagram shot. The viewpoint from Rua do Carmo gives you the best angle on the full panel.