Registered Tangible Cultural Properties of Niigata

A narrow early Showa store in the Dairoan compound of the Ito estate in Somi, Niigata, built tall on long posts to hold food, with two doors on its east side.

A postwar sukiya tea house by Tanaka Taiami on raised ground at the Ito estate in Somi, Niigata, built to face Sado Island, rustic outside with fine beams inside.

A triangular study and tea room designed by the head of the Ito family in 1891 at Somi, Niigata, its plan, mats and timbers shaped as triangles and rhombuses.

A former rice store on the Ito estate in Somi, Niigata, with tiled walls and a trussed roof, now the museum's gallery for Chinese, Korean and Japanese art.

The 1887 main house of the Ito landlords at Somi, Niigata: 636 square metres over two storeys, with seven-tier roof beams and a 30-metre cedar purlin, open to view.

A two-storey sukiya-style reception wing of 1889 at the back of the Ito estate in Somi, Niigata, with slender timbers and sand-plaster walls unlike the main house.

An L-shaped tea house of 1950 by Tanaka Taiami at the Ito estate in Somi, Niigata, joining a thatched hut and a tiled study, seen from across the garden.

The carpenters' workshop of 1883 at the northern edge of the Ito estate in Somi, Niigata: a plain tall-posted shed where the mansion's builders worked.

A two-storey 1927 house with a rooftop lookout, built for a branch of the Ito family at Somi, Niigata, its walls and fittings based on tall rectangles.

A compact early Showa storehouse on the south wall of the Ito estate in Somi, Niigata, heavily built with thick timbers, tile-clad base and doors facing the house.

A one-bay gate and 20-metre wall of 1889 at the Ito estate in Somi, Niigata, dividing the great hall's forecourt from the garden under a curved copper roof.

A single-storey detached wing of 1860 at the Ito estate in Somi, Niigata, older than the Meiji mansion and still used for tea gatherings and ceremonies.

A two-storey storehouse gate of 1887, about 24 metres long, forming the east front of the Ito landlords' estate at Somi, Niigata, alongside the Gate Storehouse.

A one-bay timber gate of 1915 at the Ito family's Niigata villa, with a gently swelling copper roof and lath-lined eaves that lead to the sukiya-style main house.

A villa of about 1895 in central Niigata, built with oil money and later owned by the Ito landlords: plain weatherboard outside, sukiya rooms facing a garden inside.

A three-and-daime-mat tea room of about 1925 in central Niigata, once thatched and later named 清行庵 by Aizu Yaichi. It can still be hired for tea gatherings.

A two-storey storehouse of 1915 at the back of the Ito family's Niigata villa, with hinged gable doors, tiled namako lower walls and white plaster above.

A 2.3-square-metre waiting bench of about 1925 in a Niigata tea garden, built of curved natural timber, facing the tea room with a wide window at its back.

A Western wing of about 1928 joined to a Meiji villa in central Niigata, where Aizu Yaichi lived for a decade. It now displays his calligraphy and works by Ryokan.

A brick wall of 1915, about 3 metres high and 37 metres long, at the Ito family's Niigata villa: bare brick outside, mortar pilasters and shallow arches within.

Niigata’s registered properties across designations, with featured heritage and travel notes.

The complete kokuhō catalogue — browse by prefecture, period, and category.

Nationwide jūyō bunkazai — architecture, sculpture, painting, crafts, and documents.