best tourist place in Washington

Union Station, Washington, D.C. 

 Designed during the age of railroads and opened in 1907, this grand train station was built to be a monumental gateway—symbolized by its many arches—to America’s capital. The Beaux-Arts gem is also a gateway to commerce, with more than 120 shops and eateries. The 36 statues of Roman legionnaires lining the balcony were originally nude, but concerns that the public would be shocked led to the addition of strategically placed shields.