I took lots of Virginia Bluebell pictures at Bull Run and Riverbend Parks in Virginia recently. I found many similar blue bell flowers at National Arboretum earlier this week when hiking along azalea trail. This is dubbed as English Bluebell (Hyacinthoides non-scripta) in beautiful dark blue color.
Virginia Bluebells at Riverbend Park
English Bluebells at National Arboretum: