The Gaylord National Resort Hotel and Convention Center in National Harbor, MD has a spectacular 18-story glass atrium that has sweeping views of the Potomac River. A great spot to see the whole hotel.
Hope you enjoy!
Have a great day!
Feb
9
2012
Studio Eingana 
My mother took the Kids there in December. They had a blast seeing the ice scupltures and sliding down the slide made is ice.