No trip to Washington, D.C. is complete without at least a full day--or five--at the incredible Smithsonian Institution. Its nineteen beloved museums and galleries, many clustered around the National Mall, are truly the treasure chest of the United States. You'll see amazing wonders like a giant squid, the Hope Diamond, dinosaur fossils, an Apollo Lunar Module, Mr. Rogers' red cardigan, and the Star Spangled Banner. There's so much to learn and see--you better get started!
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