ninja house; ninja residence
Refers to a house or residence associated with ninja, often a historical or tourist attraction with hidden passages and traps.
There is a famous ninja house in Iga.
I visited a ninja house and was amazed by the trick mechanisms.
Compound of 忍者 (ninja) and 屋敷 (residence, mansion). The exact historical origin of the term is uncertain, but it is conventionally used for houses associated with ninja.