Jun 6, 2016Macocha AbyssThe breathtaking 189.5m (nearly 623 feet) deep abyss is one of the most well-known and dramatic karst locations in Europe, and the...
Jun 6, 2016Punkva CavesThe Moravský Kras (Moravian Karst) region of the Czech Republic is home to more than 1,000 caves and gorges. Shown here is a view from...