If your trip to Liptovsky Hradok is all locked in but your itinerary is a little on the empty side, let us give you a helping hand.Plan a stop at Monument to the Fallen of World War II. It's one sight you'll find on most travelers' to-do lists. If you still have some space on that travel itinerary, Hradok Arboretum and Ethnographic Museum will keep you amused as well.