Every year 19 million tourists descend on Washington, DC, swarming the monuments and museums.
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After government, tourism is a very important industry in DC.
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Tourists have an uncanny sense for the best spots to take photos.
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George Washington had to borrow money to go to his own inauguration. When he was elected President, there was a king in France, a czarina in Russia, an emperor in China, and a shogun in Japan. Only the office of President remains.
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Tourists should be aware that DC is the fittest city in the U.S.
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Tourists have their own fashion look and style.
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Each summer tourist slurp at least 1.5 million ice cream "novelties" sold by roving peddlers on the Mall.
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Tourists visit DC during the hottest time of the year.
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The Washington Monument as it currently exists is actually a massive failure in comparison to the ambitious original design, which had called for a series of columns and statues of George Washington and 30 other figures from the Revolutionary War. Only the tower itself, composed of Maryland marble, was completed due to budgetary reasons.
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Long lines greet tourists everywhere.
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Nearly two-thirds of Americans are overweight and almost one in three Americans is obese, according to the federal government.
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Abraham Lincoln's brother, half-brothers, and brothers-in-law fought in the Confederate Army.
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The word "Lobbyist" originates from President Grant's disdain for the interest groups that "loitered in the Willard Hotel's lavish lobby." Here tourists visit the Supreme Court.
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The Natural History Museum houses around 500 million specimens ranging from animals, fossils, gems, minerals, plants, rocks, cultural artifacts and meteorites.
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Sixteen Smithsonian museums surround the Mall in DC.
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More than 6,000 visitors stream into the White House each day.