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Photo: alternative-eins, Public domain via Wikimedia Commons
Old and charming little church is worth a visit.
St. John's Church in the north German town of Plön was built in 1685 as an independent parish church when Plön's new town, Neustadt, was developed by Duke John Adolphus.
© OpenStreetMap contributors
Widow's Palace
castle
One of the largest castles in Schleswig-Holstein.
Princes' House
Tower, which offers a scenic view of the city with its surrounding landscape and lakes.
Is a scenic day walk; actually a peninsula.