Facade of the Union Station, Washington DC, USA

building city town urban flag of usa flag american spirit patriotic public transportation famous place transporting traveling american flag pride patriotism arch blue building exterior building structure bus car mode of transport clear sky color colour color image column day entrance facade land vehicle large group of people low angle view national landmark outdoors steps union station usa us united states of america america united states north america vertical washington dc white american culture architecture capital cities transportation transport travel destinations travel journey world travel photography