ain ▁in ▁front ▁of ▁the ▁town ▁hall ▁( Place ▁de ▁la ▁M air ie ) ▁is ▁listed ▁as ▁an ▁historical ▁monument . ▁It ▁dates ▁from ▁ 1 5 7 2 . ▁The ▁lean ing ▁house : ▁The ▁lean ing ▁house ▁is ▁located ▁on ▁the ▁road ▁of ▁Mod ane ▁to ▁. ▁Form er ly ▁known ▁as ▁la ▁p oud rière ▁[ the ▁pow der ▁magazine ], ▁it ▁was ▁used ▁to ▁shelter ▁a ▁stock ▁of ▁pow der ▁intended ▁to ▁destroy ▁the ▁tunnel ▁in ▁the ▁event ▁of ▁war . ▁The ▁house ▁was ▁made ▁of ▁dry ▁stone . ▁In ▁ 1 9 3 9 , ▁it ▁was ▁overcome ▁by ▁the ▁construction ▁of ▁a ▁concrete ▁block house . ▁In ▁ 1 9 4 4 ▁the ▁Germ ans ▁dynam ited ▁the ▁railway ▁tunnel ▁and ▁the ▁dry ▁stone ▁house ▁col lapsed . ▁The ▁block house ▁fle w ▁ ▁and ▁on ▁falling , ▁s ank ▁into ▁the ▁ground ▁while ▁remaining ▁int act . ▁When ▁one ▁enters ▁one ▁easily ▁los es ▁balance , ▁because ▁it ▁is ▁t ilt ed ▁at ▁two ▁angles . ▁It ▁is ▁the ▁most ▁visited ▁monument ▁of ▁the ▁Sav o ie ▁( free ▁visit ). ▁The ▁lean ing ▁house ▁is ▁part ▁of ▁the ▁Association ▁of ▁the ▁Saint - G ob ain ▁Fort ▁Museum . ▁It ▁belongs ▁to ▁the ▁army , ▁SN CF ▁and ▁the ▁commune ▁of ▁Mod ane . ▁The ▁Fort ▁du ▁Re pl aton ▁was ▁built ▁to ▁defend ▁the ▁entrance ▁of ▁the ▁railway ▁tunnel ▁at ▁the ▁end ▁of ▁the ▁ 1 9 th ▁century . ▁This ▁S éré