Which construction, designed by Finnish-American architect Eero Saarinen and structural engineer Hannskarl Bandel in 1947, that stands 630 feet (192 m) tall and is 630 feet (192 m) wide at its base, is called "the tallest monument in the USA"?
The Gateway Arch, in St. Louis, Missouri,
The Gateway Arch, also known as the Gateway to the West, is part of the Jefferson National Expansion Memorial. Construction began in 1963 and it was completed in 1965. It opened to the public in 1967.
Which German-American structural engineer and designer was Chief Engineer for the construction of the Golden Gate Bridge, San Francisco?
Which building, designed by British architect Edwin Lutyens, and located at Raisina Hill in New Delhi, was formerly known as 'Viceregal Palace' ?
What structure was designed by John A Roebling, who supervised construction until his death when the project was taken over by his son, Washington?
The first concrete-steel composite arch bridge in the USA that links the states of Nevada and Arizona by spanning the Colorado River is near which other man-made construction?