Knoop Manor

The (no longer existing) old moated castle Knoop ("Arx Cnopia"), built in the 16th century by the Rantzaus, was surrounded by moats fed by the Levensau. The house had a windowless ground or "water floor", two upper floors, and three bay windows on each side of the gabled roof. It was demolished around 1800 after the completion of the new building, and the moat was filled in.

The manor house of the estate was built from 1792 to 1796 according to the plans of the Danish architect Axel Bundsen in the Neoclassical style, with its facade oriented towards the Eider Canal, which opened in 1784, and surrounded by a landscape park designed by Carl Gottlob Horn, which included the bank of the Eider Canal. Thanks to the Schimmelmann fortune, it was richly furnished by artists such as Ludwig Philipp Strack and the Italians Giuseppe Anselmo Pellicia and Francesco Antonio Tadey, who also worked at Emkendorf. The building with its mighty portico is one of the outstanding works of Neoclassicism in Schleswig-Holstein. The landscape park was largely destroyed during the construction of the Kiel Canal in 1895. The interior furnishings largely remained.

The so-called Tea House also stands on the estate grounds. It was built in 1910 by the artist and architect Rudolf Alexander Schröder from Bremen on a site where a wooden pavilion had previously stood. The building, also known as the Doric Temple, is 20 m² in size and was renovated in 2008 for 60,000 Euros.

The manor house is privately owned; however, it can be visited by appointment. Cultural events are regularly held in some rooms. The Tea House is accessible to the public and can also be used for civil weddings.

East of Gut Knoop ran the Eider Canal with the Knoop Lock − the second lock after the first one in Holtenau − including a drawbridge built in the Dutch style. Approximately 3 km as the crow flies from the estate, to the northwest, is the renovated structure of the former Rathmannsdorf Lock, which, unlike the Knoop Lock, had no bridge.