In the Gobi March, competitors run 250 kilometres through the dunes of the Gobi desert. The race is part of a four-race desert challenge which also includes the __________.

I would love to visit the Iguazu _____ in South America - they look spectacular!

______ form where the land ends high above water. There are some amazing ones in the "Cathedral Beaches" of Galicia.

You can surf some of the world’s biggest waves in the Atlantic Ocean off the beaches of Ireland and Portugal. Which of these is NOT an ocean?

Stockholm is the capital city of __________.

__________ like the one in Guadalest are formed by water from rivers travelling over rock.

________ is the capital city of Argentina.

In Namibia, there is an enormous cave called ‘Dragon’s Breath’. It holds the world’s biggest underground lake. How deep is it?

________ is the capital city of Italy.

________ is the capital city of Canada.

The _______ is the longest river in the world.

Beautiful cliffs of ice are home to penguins in _________.

_________ is the largest city in the world by population.