It's time for National Museum Day! If you love museums, you won't want to miss out on this fun opportunity to find a new favorite, or check out a museum you've been curious about but deterred from visiting by the admission fees! Here's how: What is Museum Day? On Museum Day, museums across the nation celebrate history and learning by offering free admission through tickets available on the Museum Day website! National Museum Day is organized by the Smithsonian Museum. When is Museum Day? Museum Day 2021 is on Saturday, September 18th, 2021. Most participating museums will have normal hours for a Saturday in fall on that day, but check with the specific venue you're visiting for the best info! What Museums are participating in Museum Day 2019? You can find the full list of participating museums on the Smithsonian Museum Day website, but some of the museums within a few hours of Sioux City who are offering free admission on Museum Day 2021 but aren'