Washington Dulles International Airport and is on pace to exceed Ronald Reagan Washington National Airport's annual passenger numbers for 2018 after having fewer passengers ever since 2015. However, Dulles Airport still ranks behind Baltimore–Washington International Airport (BWI) in total annual passenger boardings, despite being a larger facility with more gates. Prior to World War II, Hoover Field was the main commercial airport serving Washington, on the site now occupied by The Pentagon and its parking lots. It was replaced by Washington National Airport in 1941, a short distance southeast. After the war, in 1948, the Civil Aeronautics Administration began to consider sites for a
Washington Dulles International Airport Eero Saarinen, and it is highly regarded for its graceful beauty, suggestive of flight. In the 1990s, the main terminal at Dulles was reconfigured to allow more space between the front of the building and the ticket counters. Additions at both ends of the main terminal more than doubled the structure's length. The original terminal at Taiwan Taoyuan International Airport in Taoyuan, Taiwan was modeled after the Saarinen terminal at Dulles. The design included a landscaped man-made lake to collect rainwater, a low-rise hotel, and a row of office buildings along the north side of the main parking lot. The