Shōwa

Ninety metres of 1930 stone walling, the Kamisaibara Power Station Penstock and Main Building Retaining Walls made level ground where the valley had almost none.

The Kamisaibara Power Station Tenno Channel Settling Basin of 1930 covers 134 square metres, settling sand and shedding surplus water over a west overflow weir.

Built in 1930 on the upper Yoshii River, the Kamisaibara Power Station Main Building is a concrete powerhouse with a flattened Pratt truss over its generator hall.

The Kamisaibara Power Station Yoshii River Intake Weir of 1930 spans the river on exposed bedrock, 30 metres long, keeping its fish ladder and six sluice gates.

A 1931 timber station on the Katakami Railway, the ore line from the Yanahara mine. Its pointed waiting-room gable, stone ticket gate and platform are free to visit.

Kenzo Tange's 1960 Kurashiki city hall, with prestressed beams spanning about 20 metres and a stacked hollow-block facade. It has been an art museum since 1983.

A 1943 single-storey worker house built for Mitsubishi's Mizushima Aircraft Works in Kurashiki, its tiled hipped roof ringed by lean-tos; exterior view only.

Built in 1930 on a hill in Konko, Okayama, this guest hall hides a timber truss under its irimoya roof and has four tatami-style rooms laid out for chairs. Closed.

The 1930 entrance wing of a guest complex in Konko, Okayama: a copper-roofed irimoya building with a porch, waiting rooms, a kitchen and corridors to two halls.

A 1930 two-storey Western-style guest building in Konko, Okayama, with a corner tower, washed artificial stone walls and medallions, facing a Japanese hall. Closed.

Built in 1927 beside the Konkokyo headquarters in Konko, Okayama, this timber office wears mortar painted like stone and a tall parapet hiding its hipped roof.

Built in 1932 as the Yamada village office, this symmetrical concrete building in Wake, Okayama shows Expressionist touches. Free entry by advance booking.

Mimasaka-Takio Station in Tsuyama keeps its original 1928 wooden building, a registered cultural property. The opening scene of the final Tora-san film was shot here.

Hokoku Station in Takahashi is named for the scholar Yamada Hokoku, said to be Japan's first station named after a person. Its 1928 building is a cultural property.

Chigusa-sha, the tea house of the Kajimura estate in Tsuyama, Okayama: 11 square meters under a slate roof, the smallest of the eight buildings registered there.

The early Showa storehouse behind the Kajimura estate in Tsuyama, Okayama: 25 square meters, ridge and eaves set level with the older storehouse beside it.

The gate on the southern boundary of a merchant compound in Mabicho, Kurashiki. Only 1.9 m wide, it carries a heavy tiled roof on braced posts. Listed in 2025.

A teahouse in a merchant compound in Mabicho, Kurashiki, converted to tea use in the late Taisho period, with a round window and a narrowed alcove. Listed in 2025.

The Chishinkan Front Gate in Tsuyama is a 1937 timber udegimon, 2.8 m high, set slightly below the street behind a stone-bridge approach. Visible from the road.

The Chishinkan Main House in Tsuyama re-creates Hiranuma Kiichiro's samurai birthplace in 1937, with a formal entrance, stepped roofs and a south veranda.