Sears Tower-Harvard Observatory
Encyclopedia
Sears Tower—Harvard Observatory is an historic observatory that is part of Harvard Observatory and is located at 60 Garden Street in Cambridge, Massachusetts
Cambridge, Massachusetts
Cambridge is a city in Middlesex County, Massachusetts, United States, in the Greater Boston area. It was named in honor of the University of Cambridge in England, an important center of the Puritan theology embraced by the town's founders. Cambridge is home to two of the world's most prominent...

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The tower was built in 1843 and added to the National Historic Register in 1987.
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