<Tr> <Th> Type </Th> <Td> Observation tower </Td> </Tr> <Tr> <Th> Location </Th> <Td> 400 Broad Street Seattle, Washington 98109 </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 47 ° 37 ′ 13" N 122 ° 20 ′ 57" W ﻿ / ﻿ 47.6204 ° N 122.3491 ° W ﻿ / 47.6204; - 122.3491 ﻿ (Space Needle) Coordinates: 47 ° 37 ′ 13" N 122 ° 20 ′ 57" W ﻿ / ﻿ 47.6204 ° N 122.3491 ° W ﻿ / 47.6204; - 122.3491 ﻿ (Space Needle) </Td> </Tr> <Tr> <Th> Construction started </Th> <Td> April 17, 1961 </Td> </Tr>

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