On the Boise River, Caldwell was established in the late 19th century. The community, which began as a construction camp for the Oregon Short Line Railroad, is now associated with the processing and distribution of farm products. Boone Science Hall, near the corner of 20th and Fillmore streets on the 800-student College of Idaho campus, houses the Orma J. Smith Museum of Natural History, the Evans Gem and Mineral Collection and the Whittenberger Planetarium; phone (208) 459-5011. Learn More...