The Asakura Clan Ruins

福井県朝倉氏一乗谷朝倉氏遺跡唐門
朝倉氏の遺構ではなく、のちに建てられていた松雲院の寺門として
朝倉義景の菩提を弔うために作られたと伝わる。門表には朝倉家の
三ッ木瓜の紋が刻まれている。現存するものは江戸時代中期頃に
再建された。
From Wiki
"The Ichijōdani Asakura Family Historic Ruins (一乗谷朝倉氏遺跡
Ichijōdani Asakura-shi Iseki) are historic ruins located in the Kidonouchi
section of Fukui, Fukui Prefecture, Japan.
This area was controlled by the Asakura clan for 103 years during
the Sengoku period."
"The castle town was founded in 1471 and became a major cultural, military,
and population center in Japan at the time, with a peak population of over 10,000. The town was burnt down in 1573 when the Asakura family was defeated by Oda Nobunaga."