Beit al‑Ajaib (House of Wonders) in Stone Town, Zanzibar, is a landmark emblematic of Zanzibari pride, modernization, and cultural fusion. Commissioned in 1883 by Sultan Barghash bin Said as a grand ceremonial palace and reception hall, it was named for its marvels—the first building on the island to feature electric lighting and one of the earliest in East Africa with a working elevator . The design, credited to a British marine engineer, introduced cast-iron columns, wide verandahs, and high ceilings, blending European, Omani, Indian, and Swahili architectural styles.

Constructed on the former site of 17th-century Queen Fatuma’s palace, the building boasted marble floors, ornate Qur’anic door carvings, a central courtyard, and covered “wikios” to connect with adjacent royal buildings, allowing discreet movement for palace occupants. During the brief Anglo‑Zanzibar War of 1896, the nearby lighthouse was destroyed and replaced with a clock tower, although the palace itself suffered minimal damage.

After 1911, it served as British colonial offices, and following the 1964 Zanzibar Revolution, it transitioned into a museum and party headquarters—first for the Afro‑Shirazi Party, then CCM—before falling into disrepair by the early 1990s. It was reopened in 2002 as the Museum of History and Culture of Zanzibar & the Swahili Coast, showcasing local maritime artifacts, traditional dhow models, and relics from Swahili and colonial eras.

On 25 December 2020, part of the building collapsed during renovation, tragically claiming lives and halting access. Since then, the governments of Oman and Zanzibar, alongside UNESCO, have initiated a multi‑million‑dollar restoration project aimed at faithfully restoring its heritage architecture—including coral, wood, and steel elements—and reviving its role as a cultural bridge between the two nations .