Exhibits include the 18 bronze plaques containing the names of those from Winnebago County who fought and died in the Civil War, along with memorabilia extending from the Revolutionary War to the current Iraq War. Some unique articles on display include a World War I Chauchat light machine gun, a commemorative plaque cast of metal from the wreck of the USS "Maine", items from the Revolutionary War, the War of 1812, the Mexican–American War, and the Civil War. Other artifacts from 20th & 21st century wars are on display, as well as several artifacts handled and used by President Theodore Roosevelt.