Winterhelm

Winterhelm is the ancestral home of House Iceman, it is a small castle which consists of little more than a Keep and a tiny stable surrounded by a wall. It remained that size for hundreds of years since the House's founding by the Ice Twins until Lord Keran II expanded on the structure greatly adding a larger stable, a second larger keep, a small Temple and its own library.

Origins
The origin of Winterhelm is clear because of the shape of the Keep, it is a hexagonal shape which calls back to the first colonization by the Empire, the Keep was built for the men who stayed, but after they left it was left abandoned. It was however rebuilt by Garen Iceman and became the seat of House Iceman.