4

Windsor Castle, England

2

The Three Little Pigs and the Power of Bricks

4

Extreme Weather

4

Chip's Tips on Egypt

4

The Willis Tower

4

Chip's Tips on Jamaica

2

The Three Little Pigs and the Power of Bricks

4

Chip's Tips on Ghana

3

The Sun

3

Saturn

1

Weather Signs

3

Neptune

3

Magnetism

4

Hurricanes

3

Christopher Columbus