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Photo: M.J., CC BY-SA 3.0 de via Wikimedia Commons
Lappan is a historic bell tower in the city of Oldenburg, Lower Saxony, Germany.
© OpenStreetMap contributors
Degodehaus
Oldenburg Rathaus
Built between 1155 and 1234.
Oldenburg Palace
A well-reviewed collection of rooms and art, but the appeal may be limited by the lack of English signage.