In 1897, Chulalongkorn, Rama V, made a royal visit to Europe -- the first sitting Thai monarch to do so. He toured palaces in London, Vienna, and St. Petersburg, absorbing the architecture of empires. Upon his return, he appropriated land north of Bangkok's old center and named it Dusit Garden, envisioning a modern royal quarter free of the claustrophobic grandeur of the Grand Palace. Vimanmek was his first statement of intent. The mansion blended Victorian structure with Thai architectural detail: elaborate fretwork on the windows and ventilators in the pattern called kanom pang khing, each room painted a distinctive color -- light blue, green, pink, ivory, or peach. The lowest level was brick and cement, but the upper three stories were pure golden teak, warm to the touch in the Bangkok heat. The octagonal tower at its center rose to four stories, giving the king a vantage over his growing garden.

The 72-room palace was inaugurated on 27 March 1901. For five years, Chulalongkorn lived and worked here while the grander Amphorn Sathan Residential Hall took shape nearby. The interior decoration mixed European neoclassical taste with traditional Thai motifs -- a combination that reflected the king's own position, modernizing a centuries-old monarchy without abandoning its visual language. Each room displayed the possessions of the king and his court: photographs, artworks, handicrafts, and the accumulated objects of a reign that was reshaping Siam. When Amphorn Sathan was completed in 1906, the king moved there, and Vimanmek began a long slide into disuse. By 1932, the year a revolution ended absolute monarchy, the palace had been reduced to a storage facility for the Bureau of the Royal Household.

In 1982, on the occasion of Bangkok's bicentennial, Queen Sirikit asked King Bhumibol Adulyadej, Rama IX, to renovate Vimanmek as a museum honoring King Chulalongkorn. The palace was restored and opened to the public, its rooms filled with photographs, royal art, and handicrafts from the reign of Rama V. It became one of Bangkok's signature tourist attractions, marketed as the world's largest golden teakwood mansion. Visitors walked through the pastel rooms in stocking feet, guards enforcing a strict no-shoes policy on the polished teak floors. The mansion stood as proof that golden teak, properly maintained, could outlast the dynasty that built with it.

Then, in 2018, satellite imagery from Google Maps revealed that the mansion was gone. Where the L-shaped structure had stood, there were only tents covering stacked timbers. The building had been quietly disassembled. In July 2019, an official in the Office of His Majesty's Principal Private Secretary confirmed that the wood and metal pilings had deteriorated and needed replacement with steel pilings and a concrete foundation. The mansion would be rebuilt exactly as it looked, the official said, with the addition of a fishpond to the north. But it would be permanently closed to the public. The restoration cost was estimated at 81 million baht. Vimanmek had been taken apart for the second time in its existence -- once to bring it to Bangkok, and once, perhaps, to keep it from collapsing. Whether anyone outside the palace walls will walk its teak floors again remains uncertain.