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Observatory
35 photos
The Observatory, Georgetown University, Washington, D.C.
Allegheny Observatory, Riverview Park, Pittsburgh, Pa.
New concrete observatory tower, Vicksburg, Miss.
Observatory, Amherst College
Observatory, Mt. Mount Holyoke College, South Hadley, Mass.
The Observatory, University of Michigan, Ann Arbor, Mich.
Observatory of University of Michigan, Ann Arbor,Mich.
Allegheny Observatory, Riverview Park, Pittsburgh, Pa.
Allegheny Observatory, Riverview Park, Pittsburgh, Pa.
Observatory Hill, Wellesley College, Mass.
Observatory, Harvard College
High Rock Observatory, near Pen Mar Park, view looking west, Maryland
High Rock Observatory, near Pen Mar Park, Maryland
Observatory, Munjoy Hill, Portland, Me.
The Observatory, Georgetown University
Observatory, Patterson Park, Baltimore, Md.
The Observatory, U. of M., Ann Arbor, Michigan
U. of M., Ann Arbor, the Observatory
Harquahala Peak Observatory
Great Blue Hill Weather Observatory
Gaithersburg Latitude Observatory
Orgone Energy Observatory
Earlham College Observatory