Tucson is a city in Arizona?s Sonoran Desert surrounded by multiple mountain ranges, including the Santa Catalinas. Reflecting its 19th-century beginnings are the restored mansions of its El Presidio Historic District and the adobe row houses of Barrio Historico. Home to the University of Arizona, Tuscon has many vintage shops, nightclubs and restaurants on Fourth Avenue near the campus.

Tucson is a city in and the county seat of Pima County, Arizona, United States, and is home to the University of Arizona.

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Arizona, a southwestern U.S. state, is best known for the Grand Canyon, the mile-deep chasm carved by the Colorado River. Flagstaff, a ponderosa pine?covered mountain town, is a major gateway to the Grand Canyon. Other natural sites include Saguaro National Park, protecting cactus-filled Sonoran Desert landscape. Tucson is University of Arizona territory and home to the Arizona-Sonora Desert Museum.

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The U.S. is a country of 50 states covering a vast swath of North America, with Alaska in the northwest and Hawaii extending the nation?s presence into the Pacific Ocean. Major Atlantic Coast cities are New York, a global finance and culture center, and capital Washington, DC. Midwestern metropolis Chicago is known for influential architecture and on the west coast, Los Angeles' Hollywood is famed for filmmaking.

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