San Diego

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San Diego, California

Mission San Diego de Alcalá, San Diego, California

Juan Rodríguez Cabrillo

map of San Diego, California, U.S. (c. 1900), from the 10th edition of the Encyclopædia Britannica

San Diego, California

San Diego International Airport

Manchester Hall, San Diego State University, San Diego, California

Old Point Loma Lighthouse, San Diego, California

Cabrillo National Monument

British pilot Steve Jones flying his aircraft between air gates during the Red Bull Air Race World Series, San Diego, 2007.

For Students

Mission San Diego de Alcalá, San Diego, California

San Diego summary

San Diego: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Last Updated: Jun 30, 2025

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Photos

San Diego, California

Mission San Diego de Alcalá, San Diego, California

Juan Rodríguez Cabrillo

map of San Diego, California, U.S. (c. 1900), from the 10th edition of the Encyclopædia Britannica

San Diego, California

San Diego International Airport

Manchester Hall, San Diego State University, San Diego, California

Old Point Loma Lighthouse, San Diego, California

Cabrillo National Monument

British pilot Steve Jones flying his aircraft between air gates during the Red Bull Air Race World Series, San Diego, 2007.

See All Images →

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Tower Bridge over the Thames River in London, England. Opened in 1894. Remains an Important Traffic Route with 40,000 Crossings Every Day.

Guess the City by Its River Quiz