34:55Military BunkersThe biggest military underground airport in Europe, Zeljava air base | ABANDONED27 March, 20243,445,059
33:00Military BunkersComplete intact cold war bunker with hospital, last inspected in 1962 | ABANDONED28 January, 2024432,883
28:18Military BunkersBIG GUNS found in an abandoned bunker in Croatia | URBEX27 December, 2023690,907
34:55Military BunkersThe biggest military underground airport in Europe, Zeljava air base | ABANDONED22 December, 20233,112,410
33:00Military BunkersComplete intact cold war bunker with hospital, last inspected in 1962 | ABANDONED4 May, 202372,899
34:55Military BunkersThe biggest military underground airport in Europe, Zeljava air base | ABANDONED1 February, 20231,242,724
36:17Military BunkersThe biggest military underground airport in Europe, Zeljava air base | ABANDONED17 October, 20226,594