Hamline University's Center for Global Environmental Education has award-winning multimedia educational story maps that explore watersheds all over the United States from Texas to Hawaii. Aligned with 4th-8th grade Next Generation Science Standards, these programs have curated tabs for Earth Science, Social Studies, Current Affairs, Life Science, Culture and more. They work great as part of classroom education, distance learning, home school, or independent exploration. Find them and more resources here: https://www.hamline.edu/education/cgee/youth-resources.html
Let me know if you have any questions about them, I'd be happy to help.