Shōwa

Four courses of two-meter blocks with recessed edges, running twelve meters along a koi-filled spring channel in Shimabara. Registered in 2014, viewable any hour.

Built around 1935 in Shimabara's Shinmachi district, this 158-square-meter timber house turns its guest rooms toward a spring-fed garden. Registered in 2014.

A brick wall rising straight from the side masonry of a spring channel in Shimabara, thirty meters long and barely one brick thick, braced by piers every 2.4 meters.

The garden pavilion of the Tsutsumiuchi Residence in Shimabara, Nagasaki, is a thatched retreat of about 1933, its veranda turned toward the Ariake Sea. Not open.

The Fukushige Family Residence Main House in Hasami is the 1928 home of the Fukko kiln owners, with a fine tokonoma room and a carp-carved transom. Usually closed.

Magome Church on Iojima island, Nagasaki, built in 1931, is an early concrete Gothic church with a pinnacled front and an eight-part ribbed vault inside.

Antonin Raymond built this 1933 Karuizawa villa with log framing and a butterfly roof. An Important Cultural Property since 2023, it now houses the Musee Peynet.

The Sakato Bridge of 1932 in Nakagawa, Nagano, spans the Tenryu with a parabolic concrete arch of 70 metres, the longest span of any surviving prewar road bridge.

An early Showa shed in Azumino, Nagano, bent into an L to close the southwest corner of the Iida estate, white-walled toward the road and open toward the grounds.

Facing south from a stone platform at the north-west of the estate in Okaya, this one-bay household shrine of 1.1 square metres keeps a canopy over its front.

The Anglican church of St Michael and All Angels in Ueda, Nagano, built in 1932, is a timber church in the Japanese style with paper-screened windows.

A three-storey early Showa storehouse on the road edge of the Katakura homestead in Okaya, its largest kura, once a rice store, with a west eave drawn inside.

East of the Ozawa main house in Matsumoto's Hofukuji town, this early-Showa annex sets stained glass and coved plaster below tatami rooms, listed as a model of design.

A 17-metre steel fire lookout tower raised in 1955 beside the old Ina highway in Tatsuno, Nagano, with an alarm bell under its pointed roof and scrolled eaves.

The Kyu-Karuizawa House, a villa of about 1927 owned by a granddaughter of Matsukata Masayoshi, is clad in red clapboard with an Asama-stone fireplace inside.

Built in 1936, the Former Suzuki Dental Clinic (Kataoka Sanso) is a nationally Registered Tangible Cultural Property in Karuizawa, Nagano Prefecture. This Western-style wooden building features striking bengara red clapboard siding with white window frames, preserving the historic resort landscape of Japan's premier highland retreat.

The former Dai-Ichi Kangyo Bank branch in Matsumoto, Nagano, a concrete bank of 1937 on the road to the castle, has seven curved arches across its front.

Tucked into the wooded slopes of Aigatashiyama in Old Karuizawa, the Former Hamilton and Hard Karuizawa Cottage is a small two-story wooden retreat built around 1932 by missionary-architect William Merrell Vories. Originally owned by two Canadian Methodist missionaries — including the principal of Toyo Eiwa Jogakuin — this hidden gem was rediscovered, faithfully restored, and registered as a National Tangible Cultural Property in 2015. Though privately held, it stands as a rare witness to the origins of Karuizawa as Japan's first international resort.

The newest building on the Ichiboshi-tei estate in Ikusaka, Nagano: an early Showa shed open on the yard side, with double doors onto the road. Registered 2019.

A two-storey timber summer house of about 1930 in old Karuizawa, Nagano, with a wide sunroom facing south and rooms set around a hearth of undressed river stones.