Take a tour through a once-secret, Soviet nuclear submarine base – at Balaklava, on the Crimean Pe
Exploring the world’s largest network of underground tunnels.
This vast complex was once designed to be the largest hospital & burns centre in Kiev, Ukraine.
Beneath Kiev, Ukraine, there lies a complex network of Soviet storm drains, tunnels & mines.
Climbing up the abandoned tower of an unfinished skyscraper in Kiev, Ukraine.