Historic Urbana Walking Tours: featuring the "In Lincoln's Shadow" podcast as well as several printable self-guided tours of downtown history and architecture.
Explore Cu An app (and website) for exploring Champaign-Urbana history, culture, and art.
Centers, Museums, and Exhibits
Resources for Historical Research
Online Sources for Champaign County compiled by Family Search Center
Check out the wiki page on researching local house here.
People interested in local history may also be interested in the cemeteries that are around.