The biggest castle in Europe is Pražsky Hrad which is situated in Praha.
The term "robot" coined by Czech writer Karel Capek. But at first in his play he called humanoid mechanisms "Labora" (from Latin "labor" - work), but this a word he did not like. Then, on the advice of his brother Joseph, he renamed them into robots.
Fruit yogurts that are favourite all around the world were invented in 1933 in the Czech Republic.