My friend's home at 9563 langston st, rancho cucamonga, ca --> Synchronized lights and music show
7 Free Holiday Activities to Enjoy in Rancho Cucamonga and Other Neighboring Cities in the Inland Empire
http://find.mapmuse.com/map/xmas-displays/34.44,-118.3,8# --> Some of the local are:
Thoroughbred Street, off Sapphire street in Alta Loma/Rancho Cucamonga --> A whole community of homes with lights, many selling treats.
"Christmas in Chino" --> Synchronized lights and music show
"Lights for our Heroes" --> display dedicated to all active duty/former military, first responders & supporting families.
Holiday on Holmar --> 1126 N. Holmar Ave, Azusa CA 91702 This one might not exist anymore...I'm not sure