THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
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Historical Markers in Aliso Viejo

 
Clickable Map of Orange County, California and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Orange County, CA (533) Los Angeles County, CA (2425) Riverside County, CA (365) San Bernardino County, CA (454) San Diego County, CA (539)  OrangeCounty(533) Orange County (533)  LosAngelesCounty(2425) Los Angeles County (2425)  RiversideCounty(365) Riverside County (365)  SanBernardinoCounty(454) San Bernardino County (454)  SanDiegoCounty(539) San Diego County (539)
Santa Ana is the county seat for Orange County
Aliso Viejo is in Orange County
Orange County (533)  ►
ADJACENT TO ORANGE COUNTY
Los Angeles County (2425)  ►
Riverside County (365)  ►
San Bernardino County (454)  ►
San Diego County (539)  ►
 
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1 ► California, Orange County, Aliso Viejo — Aliso Viejo Ranch — Early Ranching in South Orange County —
This site was once part of the former 22,000-acre Lewis F. Moulton Ranch Today, the original barn, bunkhouse, shed garages, and a century-old cactus, as well as some antiquated farming implements and ranching equipment, remain on the . . . — — Map (db m263043) HM
2 ► California, Orange County, Aliso Viejo — Mixocetus Baleen Whale — Plaza de La Paz — Reported unreadable
This skull of Mixocetus baleen whale was discovered during grading of this plaza. It is the second example of the species known to science. The first was found in Los Angles in 1931. Mixocetus was one of the largest marine animals to inhabit . . . — — Map (db m188542) HM
 
 
  
  
  
 
 
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Nov. 13, 2026