What is the national capital of Germany?
Which city's subway system has the most stations?
PVG is the airport code for which city?
Which country has the most mud volcanoes?
What is the name of the currency used in Croatia?
How do you say hello in Icelandic?
Which country has the oldest flag in the world?
Who is the only person who declined to be sculpted for Madame Tussauds wax museum?
What is the world's most visited tourist attraction?
This is the logo for which airline?