The Pyramids of Giza
Large sandstone blocks and limestone facing (mostly missing), Pyramid of Khufu (largest) is as tall as a 50-story building
3200 BC, Egypt
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Brooklyn Bridge
Steel cable and masonry piers, spans 1600 feet
late 1869-1883, U.S.
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Eiffel Tower
Exposed iron, 985 feet high
late 1887-1889, Paris France
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Crystal Palace
Cast iron and glass, 770,000 square feet
1850, UK
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Built in Hyde Park London. Disassembled, moved, and reassembled in Southeast London. Destroyed by fire in 1936.
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