Which of the Great Lakes lies above and feeds into Niagara Falls?

What is the largest ocean on Earth?

What river runs through Cairo, Egypt?

I'll give you the old name for a place, you give the new name. a. Rhodesia? b. Cathay? c. Abyssinia?

What country lies directly north of Vietnam?

Which tiny country is sandwiched between Switzerland and Austria?

What is the modern name of the city formerly known as Leningrad?