United States Capitol, Washington, DC.

Ah - what to say about this structure than maybe highlight some of the features. The rotunda, the crowds, the painting of the embarkation of the pilgrims in the Rotunda with William Brewster, and maybe a statue of William Jennings Bryan. And let's throw in the honorary American citizen and true hero of World War II, Raoul Wallenberg (who survived the Nazis only to die by the Soviets).

Union Station, Washington, DC

A busy hub of activity on the Northeast Corridor, as opposed to the rest of the Amtrak grid....