• Where can you find ‘smoke that thunders’?
  The local name of the beautiful Victoria Falls on the River Zambezi ...

• How much of the world is covered by land?
  Land covers about 148,460,000 sq km (57,300,000 sq miles), or 29% of ...

• Where is the Matterhorn?
  The Matterhorn is a magnificent mountain on Switzerland's border with ...

• What is the world’s largest bay?
  Hudson Bay in Canada covers an area of about 1,233,000 sq km (476,000 ...

• What mountains look like dragon’s teeth?
  Steep-sided hills made of limestone, found around the town of Guilin ...

• What are dust storms?
  Desert winds sweep fine dust high into the air during choking dust ...

• What are the main types of desert scenery?
  Arabic words are used for desert scenery. Erg is the name for sandy ...

• Why do people in deserts wear heavy clothes?
  Deserts are often cold at night and heavy clothes keep people warm. ...

• What are oases?
  Oases are places in deserts that have water supplies. Some oases have ...

• What is desertification?
  Human misuse of the land near deserts, caused by cutting down trees ...