A walk through the largest system of the underground tunnels in Europe. The most comprehensive tour of the Odessa Catacombs. From to 200-year old mines and quarries to criminal headquarters to WW2 partisans’ base this is an exciting story of the hidden under the ground Odessa. We'll start the underground journey with a walk through the authentic mines and quarries (aka wild catacombs). We'll explore how the miners created the tunnels...