Geography questions

What is the deepest lake in the world?

What is the world’s deepest point in the ocean?

What is the deepest sea in the world?

What is the oldest city in the world?

What is the biggest city in the world?

What is the largest airport in the world?

What is the biggest castle in the world?

What is the smallest country in the world?

What is the longest river in the world?

What is the rainiest place in the world?

What is the saltiest sea in the world?

What is the largest desert in the world?

What is the smallest city in the world?

What is the highest mountain in the world?

What is the driest place in the world?

What is the hottest place in the world?

What is the coldest place in the world?

Is Luxembourg in the Eurozone?

What is the tallest tree in the world?

What is the tallest building in the world?

In which city was Leonardo da Vinci born?

Is Libya an EU country?

Is Liechtenstein an EU country?

Is Liechtenstein a Schengen country?

Is Lithuania in the Eurozone?