The country’s second-largest genealogy library (after Salt Lake City’s Family History Library) also has an impressive digital presence. Check out the military collection, surname file, African American and Native American records, and all things Hoosier.
Even if you don’t have Canadian kin, your ancestors might have arrived via Canada and be mentioned in the passenger records here. Those with roots up north will also want to dig into databases of censuses, vital records, land records and military records.
This stylish site from the Mid-Continent Public Library in Independence, Mo., is strongest on regional data and oral histories. But it also features an index to 1.5 million U.S. Railroad Retirement Board pension records.