Around the world

If you were in France and crossed La Manche, where would you be?

In Scotland what does Ben mean in a place name?

Which tiny European landlocked state is a Grand Duchy?

Which Canal links he Mediterranean and the Red Sea?

In which continent is the Hoover Dam?

Which would you be in if you were in Nippon?

By which letter and number is Mount Godwin-Austen known?

Which country has the international vehicle registration letter 'B'?

Which capital city stands on the Potomac river?

Which Australian rock is sacred to the aborigines?