To give you a rough idea of just how diverse this place is, here are some stats. Tucked away at the southern end of Ljubljana and expanding to the first foothills of the mountains in the south, the Ljubljana Marshes cover 163 square kilometers or about one percent of the country and as such qualify as Slovenia’s largest wetland. They’re also well-known for their booming wildlife. They house over 100 species of birds, some of them considered endangered worldwide, while as much as half of Slovenian bird population pick this place to hatch. This wetland is also home to 89 species of butterflies, 48 species of dragonflies, 70 percent of all species of frogs found in Slovenia, and countless other animals. My favorite? Deer. As it turns out, winter is the best season for watching these majestic animals strutting around in their completely natural and untamed habitat.