Daily Mail News UK – Travel
By TOM COTTERILL
PUBLISHED: 03:07 EDT, 21 October 2023 | UPDATED: 04:09 EDT, 21 October 2023
A sprawling Soviet Cold War bunker built to withstand a 20-kilotonne nuclear blast but abandoned for decades is to be transformed into Europe’s newest tourist attraction.
Carved into the side of a mountain on the border of Croatia and Bosnia-Herzegovina, Zeljava Underground Airbase was once one of the continent’s largest military complexes.
But for decades it sat idle, after being abandoned in the Serbo-Croatian War in 1992, with only the occasional intrepid adventurer ever daring to venture into its crumbling cavernous core.