Seegrotte Hinterbrühl, ‘the Lake Cave’ in Austria
What do you do on a rainy afternoon in Vienna, when you are stuck indoors as touring the city is just not as much fun in the rain. Well, we would say, drive down to Hinterbrühl, Lower Austria to explore Seegrotte, which is said to be one of the largest underground lakes in Europe. … Read More Seegrotte Hinterbrühl, ‘the Lake Cave’ in Austria