1. A geospatial modeling system comprising: a display; a geospatial database; and a processor cooperating with said geospatial database and said display and configured to: generate a model based upon a single optical image and a digital elevation model (DEM) and without registration of multiple optical images, with the single optical image including at least one initial region of interest; generate a time-lapsed model based upon a single time-lapsed optical image and the DEM and without registration of multiple time-lapsed optical images; permit user selection of at least one region of interest in the time-lapsed model; and display the model along with the at least one initial region of interest and the at least one region of interest from the time-lapsed model to provide situational awareness.