Highland Park, Illinois, sister City Puerto Vallarta showing some love to the kids. Puerto Vallarta Information Highland Park, Illinois, sister City Puerto Vallarta showing some love to the kids. pvkid April 8, 2015 https://www.wedidyourhomework.com/ Highland Park, Illinois, Sister Cities to Puerto Vallarta showing some love to the PV kids.We currently... Read More Read more about Highland Park, Illinois, sister City Puerto Vallarta showing some love to the kids.