9) Florence Duomo
Regarded as one of the finest cathedrals in the world, the Duomo Santa Maria del Fiore, or the Cathedral of Santa Maria del Fiore, dominates the Florence skyline. The cathedral was built between the 13th and 15th centuries, with the most famous piece being the extraordinary dome, completed by Filippo Brunelleschi in 1434. The Belfry, standing 82 meters, can be climbed. A total of 414 steps lead up to a viewing platform with fantastic views of the city.

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