4

Stonehenge, England

4

Canterbury Cathedral, Canterbury, England

4

Hadrian's Wall, England

4

Windsor Castle, England

3

Stealing Sally

4

Chip's Tips on Jamaica

3

Florence Nightingale

4

The Anglo-Saxon Invasion of Britain

3

May Day

3

Stealing Sally

3

Straits of the World

4

The American Revolution

4

Maddy's Maine Diary

4

Buckingham Palace, London

3

Lazy Jack

3

Pressure

3

Power

3

Charles Darwin

4

Early North American Settlers

3

Harbors of the World

3

Gravity

4

Maddy's Delaware Diary

3

The Old Lady and Her Pig

3

Inertia

4

Money

3

The Old Lady and Her Pig

3

Motion

3

Rabindranath Tagore

3

Thanksgiving Day

3

Force