Casper is a city in and the county seat of Natrona County, Wyoming, United States. Casper is the second largest city in the state, according to the 2010 census, with a population of 55,316. Only Cheyenne, the state capital, is larger.
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Spain, a country on Europe?s Iberian Peninsula, includes 17 autonomous regions with diverse geography and cultures. Capital city Madrid is home to the Royal Palace and Prado museum, housing works by European masters. Segovia has a medieval castle (the Alcázar) and an intact Roman aqueduct. Catalonia?s capital, Barcelona, is defined by Antoni Gaudí?s whimsical modernist landmarks like the Sagrada Família church.

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