The Aquarium has a train that runs around the property for the children and young at heart to ride on. I had to wait a bit for this quiet moment, but enjoyed the depth and layers the scene represents.
It's easy to miss the smaller gems that you find in Washington. We found such a statue in the James Madison Memorial Building, part of the Library of Congress.
The Potomac When you visit Washington D.C., you can catch a glimpse of the Potomac from a few memorials, such as the Washington and Jefferson Memorials in this photo.