observatory
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observatoryobservatory
airports (1)
amusement parks (1)
caves (19)
cliffs (1)
libraries (11)
mines (1)
monuments (74)
museums (2)
nature reserves (1)
observation points (23)
parks (1)
religious sites (3)
rocks (1)
ruins (1)
theaters (5)
universities (13)
waterfalls (1)