Fire insurance maps are an important source of historical information about cities throughout the United States, and this delightful collection from the University of Hawaii offers a great selection of these valuable documents. Currently, the collection contains 78 total maps of various urbanized areas within the Hawaiian Islands. Most of the maps are focused on Honolulu and they reveal the early stages of intense urbanization across the city. The maps date from 1891 to 1906 and they feature a tremendous amount of detail including information about local road infrastructure, building footprints, and so on. This resource will be of great use to urban historians, geographers, and others with an urban bent.