Individual #Lower_California__Baja_California  a mountainous peninsula on northwest Mexico
  instance of:  peninsula
  part:  Tijuana
  part of:  Mexico__United_Mexican_States  a Republic in southern North America; became independent from Spain in 1810
     part of:  North_America  a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama
        part of:  northern_hemisphere  the hemisphere north of the equator
        part of:  western_hemisphere__westernhemisphere__occident__New_World  the hemisphere that includes North and South America
        part of:  the_Americas__America  North and South America

No statement uses or specializes Lower_California; click here to add one.