This article describes an investigation of medical facilities undertaken by 3-, 4-, and 5-year-old children in a dual-language prekindergarten program in Chicago, Illinois. The article describes the phases of the project and documents the children's involvement in the project through anecdotal reports, photographs, and samples of the children's work. The article also indicates the Illinois Early Learning Standards and Benchmarks for 3- to 4-year-olds that were addressed through project work. Teacher's reflections conclude the article.