20 of the Most Beautiful Cities in the World

Jennifer Algoo

How do you define a place's beauty? The shocking blue of a crystalline sea? Elaborate architectural marvels reaching toward the sky? Somewhere rich in history? Whatever form of beauty speaks to you, we've put together a list of the most beautiful cities in the world to add to your travel bucket list.

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15. Barcelona, Spain

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Barcelona owes much of its architectural impact to Antoni Gaudi, who drew from Gothic and Byzantine influences to create ceramic and stained glass mosaics that paint the city’s public spaces, as well as his imposing stoneworks like the massive, city-defining Sagrada Familia church.

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