To be privately owned
Manor's-Graveland
Huis Trompenburgh

De Trompenburgh is a 17th-century manor house in 's-Graveland, North Holland, Netherlands, designed by Daniel Stalpaert and built for Admiral Maarten Tromp, one of the naval heroes of the Dutch Republic. The house is almost entirely surrounded by water and was built to resemble a ship, even with decks and railings.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: Peter van der Wielen
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 52.2319, 5.1229