2099-09-01T17:51:00

Sydney Opera House, 1967
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Sydney Opera House, 1967

A troubled project from the start, the cost of the Sydney Opera House ballooned... More

Sunshine Skyway Bridge, Tampa Bay, 1987
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Sunshine Skyway Bridge, Tampa Bay, 1987

At its opening the Sunshine Skyway was hailed by the St. Peters-burg Times as a... More

ACI Headquarters, 1958
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ACI Headquarters, 1958

Exposed architectural concrete for walls and roof defined the headquarters of the... More

Chapel of the Holy Cross, Sedona, Ariz., 1956
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Chapel of the Holy Cross, Sedona, Ariz., 1956

Built in the rugged desert terrain, this chapel's dominant element, the 90-... More

Viaduc de Millau
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Viaduc de Millau

The 1.5-mile-long bridge near the town of Millau in southern France, consisting of... More

CN Tower, Toronto, 1975
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CN Tower, Toronto, 1975

At 1805 feet tall, the CN Tower was the world's tallest freestanding structure. More

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