Which country has the largest number of volcanoes in the world?

How much money is thrown into Rome's Trevi Fountain each year (estimate)?

Which country has more tourist visitors than residents?

Which country has the largest number of UNESCO World Heritage Sites?

What is travelers' biggest complain about flying?

Which is the most visited national park in the United States?

This region makes the most money off international tourism:

For most people, the most important factor for planning a trip is....

The most expensive hotel room in the world is located in...