Our planet is a wonderful place and there are countless gems like the Plitvice Lakes National Park in Croatia, for us to appreciate and preserve. The Plitvice Lakes National Park was granted UNESCO World Heritage status in
Prague Castle is a castle in Prague where the Kings of Bohemia, Holy Roman Emperors and presidents of Czechoslovakia and the Czech Republic have had their offices. The Czech Crown Jewels are kept here. Prague Castle is the biggest castle in the world.
Emerald Pool, The Alps, Austria it's not in Austria, it's just over the border in Slovenia: The Mostnica pool & waterfall in Triglav National Park near Bled. Wonderful area, try to include it in your trip to Austria.