A nearly 20-mile underground relic of Nazi tunnels, shafts, underground railway stations and combat facilities in Poland can now be toured after being transformed into an army museum. The subterranean ...

Russia has escalated its hybrid warfare against the West by facilitating the movement of migrants through underground tunnels from Belarus into Europe, according to Polish officials. Poland - which ...

In the city of Warsaw, a group of builders worked to clear dirt for the construction of a station for the city’s underground transportation system. Part of the M2 line, the workers were starting work ...

(CNN) — In our roundup of CNN Travel stories this week: five-star luxury in Turkey, a fairytale castle with an underground Nazi complex, plus a bikini problem on an Australian bus. Canadian winters ...

WARSAW, Aug 5 (Reuters) - One miner died and five were injured after an underground tremor in a mine at Bielszowice in southern Poland on Saturday, the PAP news agency said. A spokesman for the Polish ...