Heian

Discover the Tenyō Gannen Nyohōkyōsho Monument at Yamadera Risshaku-ji Temple in Yamagata—an Important Cultural Property of Japan. This 107.5 cm andesite stele, inscribed in 1144, records a sacred Lotus Sutra interment and opens a rare window onto Heian-era devotion, sutra-copying rituals, and the spiritual heritage of Tōhoku.

The former precinct of Jionji in Sagae, Yamagata, a Historic Site since 2014, with halls, sub-temple plots, medieval fortifications and an ascetic training ground.

A curved blade signed "Nobufusa," among Japan's oldest signed swords. Forged in Heian-period Bizen, given by Tokugawa Ieyasu, now a National Treasure in Tsuruoka.