The National Harbor in Maryland is located just across the Potomac River from River Towers. Their fireworks shows held every Saturday evening during the summer can be seen from many of the condos in River Towers.
The Harbor is easily accessible by walking (via the Mt. Vernon trail and Woodrow Wilson Bridge), by taking a boat from Belle Haven marina or a water taxi from Old Town, or by driving a car.
The are a variety of stores, restaurants, waterfront activities (including paddleboards), outdoor movies in the summer, The National Children's Museum, as well as a new large-scale observation wheel at the National Harbor. Cirque Du Soleil performances are frequently held there as well.