Danish Queen Margrethe looks at the "On the Water: Stories from Maritime America" with curator Paula Johnson, right, and National Museum of American History Director Brent Glass, during a tour of the ... more 
Danish Queen Margrethe looks at the "On the Water: Stories from Maritime America" with curator Paula Johnson, right, and National Museum of American History Director Brent Glass, during a tour of the museum in Washington, Tuesday, June 7, 2011. (AP Photo/Evan Vucci) less 
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Associated Press | Photo By Evan Vucci
Tue, Jun 7, 2011 10:44 AM EDT