@washington_dulles_airport First opened in 1962, Washington Dulles International Airport — also known as IAD — is located 25 miles west of Washington, D.C.
The Main Terminal building is an architectural landmark to travelers worldwide, and was designed by famed architect Eero Saarinen.
The building was recognized with a First Honor Award by the American Institute of Architects in 1966. The building’s most unique feature is a swooping, suspended catenary roof design, providing a wide enclosed column free space.
Saarinen, always a visionary, designed the terminal with growth in mind. The terminal was a compact, two-level structure 600 feet long and 200 feet wide. While it was built without extensions onto the airfield for aircraft loading, it was designed to be expanded up to 320 feet at either end. With air traffic increasing throughout the decades, this expansion was completed 34 years later in 1996, bringing the terminal to 1,240 feet in length and 1.1 million square feet.
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