The second largest city in Spain and capital of Catalonia, Barcelona is a city of rich history, both for the Catalonian and Spanish peoples. It is known for its art and architecture. Founded during the Roman Empire, Barcelona blossomed during the Middle Ages and became a primary city of both the County of Barcelona and the Kingdom of Aragon. The Sagrada Família church and other modernist landmarks designed by Antoni Gaudí are all over the city. In addition to being a major cultural, economic and financial center of southwestern Europe, Barcelona is also known for its scenic beauty, including its many beaches and parks. Barcelona also has a city history museum that houses several Roman archaeological sites.