Ghost tours, but geared towards kids will be a spooky fun time!. Willard Library is truly a historic gem in Evansville. In fact, did you know that Willard Library is the oldest operating library in the state of Indiana? It's true! The library opened its doors over a century ago, in 1885. When you visit Willard Library, you will first notice the stunning gothic architecture that makes this historical building hauntingly beautiful. Willard Library is also home to the most notorious ghost in the region, the Grey Lady! She is said to stalk the library halls, and she sometimes likes to push over a book or two.