Ramba uchiverenga ndima ino - Pazera remakore 34, Fehn akawana kuzivikanwa munyika yose nokuda kwokugadzira kwake Norwegian Pavilion paBrussels World Exhibition ya1958
. Mumakore ekuma1960 akabudisa mabasa maviri ayo akaramba ari akakosha mubasa rake: Nordic Pavilion paVenice Biennale (1962) uye Hedmark Museum muHamar (1967<unk>79). Mamwe mabasa anozivikanwa anosanganisira Norwegian Glacier Museum kuFjærland (1991-2002) uye National Museum yeArt, Architecture uye Dhizaini muOslo (2003 <unk>08).