Tuwaiq Palace

One of the most architecturally significant buildings in Saudi Arabia, Tuwaiq Palace is a government hospitality centre in the Diplomatic Quarter designed by the German firm Frei Otto in partnership with Rolf Gutbrod. The building is famous for its spectacular tent-like roof — a vast lightweight canopy stretched over the central courtyard and outdoor terrace, giving the building its identity as a modern interpretation of Bedouin tent architecture.

The palace is used primarily for state functions and is not open to the general public, but the exterior can be viewed from the road, and the surrounding gardens of the Diplomatic Quarter provide context for the building's relationship to its landscape. The curving white forms of the canopy visible above the walls remain one of the most striking pieces of architecture in the region.

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A story
The undulating canopy roof of Tuwaiq Palace was engineered to remain in tension across its 200-metre span without internal columns — a structural feat comparable to the suspension of a bridge deck, but applied to architecture. When the building opened in 1985, Saudi Aramco engineers had to solve the problem of heating and cooling a space that was essentially open to the desert air on three sides while maintaining guest comfort at summer temperatures above 40°C.