The Hoover Dam, which created Lake Mead, holds back which river?
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In which city is the Art Deco Empire State Building, completed in 1931, located?
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The Brooklyn Bridge, completed in 1883, spans which river?
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Which US city is represented by the Space Needle, built for the 1962 World's Fair?
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In which city does the Willis Tower, long known as the Sears Tower, stand?
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The Bay Bridge connects San Francisco to which city across the bay?
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The Mackinac Bridge connects the two peninsulas of which US state?
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The Hollywood Sign overlooks which US city?
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Which engineering project allows ships to bypass Niagara Falls between Lake Erie and Lake Ontario?
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In which city is the distinctive Transamerica Pyramid a landmark?
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