The Portrait Gallery/American Art Museum is becoming one of my favorite places to go there are always new things to discover there.
September Afternoon by George Inness.
The Chief's Canoe by Belmore Browne.
This is the Chasm of the Colorado by Thomas Moran.
This is Achelous and Hercules by Thomas Hart Benton.
This is Magnolia by Charles Walter Stetson.
Here's a picture of John Adams by Gilbert Stuart from 1826, the year Adams died.