The interior of the Main Terminal at Washington Dulles International Airport is a vast space free of columns. It was originally a compact, two-level structure, 600 feet long by 200 feet wide. Based on the architect's original design, the terminal doubled in size in 1996. The sloping roof is an enormous catenary curve.
Location: 26 miles from downtown Washington, D.C
Dedication: November 17, 1962
Named After: U.S. Secretary of State John Foster Dulles
Architect: Eero Saarinen
Cost: $108.3 million (Saarinen's original Main Terminal)
Photos and history: Washington Dulles International Airport
Source: Facts About Washington Dulles International Airport, Metropolitan Washington Airports Authority [accessed May 3, 2013]
