I am from Waldorf, MD in Charles County. There are many things to do in this area such as Museums, The Lincoln Memorial, Exhibition Halls, Landmarks, Parks, Historic Sites and many more.

Here is a site that has a list of things that can be done while visiting the area.

10 Best Things to do in Charles County, Maryland – Charles County travel guides 2021– Trip.com

These are some restaurants that you can try as well.

https://www.yelp.com/c/charles-county-md-us/restaurants