Inspired by Domkirkeodden's open-air museum and rich collections, this FERD unifies the site's existing outdoor exhibits into one coherent whole. A timeless, elongated "longhouse" form gathers a compact program beneath a single sweeping roof, resting above a horizontal window band that ties interior galleries to the surrounding landscape and Lake Mjøsa. The building's curved walls and low, terraced profile, built on existing natural-stone retaining walls, sit sensitively along the ridge in dialogue with Storhamarlåven and Hamardomen, echoing traditional Norwegian building craft. An announced entrance opens onto a shared plaza linking the museum, barn, and cathedral ruins, leading visitors past shop and reception through curving walls toward flexible exhibition halls, a double-height hall, the Crypt, and multimedia spaces. Public and operational flows are clearly separated, with loading and staff access to the east. Constructed from glulam and CLT with slate roofing and stone cladding, the museum emphasizes durability, low-carbon materials, passive solar control, and geothermal heating for long-term sustainability.Competition, 2021