4

Canterbury Cathedral, Canterbury, England

4

Big Ben, London

4

Chip's Tips on Algeria

4

U.S.S. Arizona Memorial at Pearl Harbor

3

Gravity

3

Heat and Temperature

4

Chip's Tips on Namibia

3

The Winklers' Holiday on Zoo Lovers Day

2

Quién trabaja aquí?

3

Light

3

Kwanzaa

4

Chip's Tips on Brazil

3

Eid al-Fitr

4

Chip's Tips on Kenya

4

Burj Al Arab, United Arab Emirates

4

Angkor Wat, Cambodia

4

Chip's Tips on Ivory Coast

4

Charles Bridge, Czech Republic

3

Pressure

4

The Mississippi River

4

Acropolis, Greece

3

Passover

3

St. Patrick's Day

3

Magnetism

4

Yellowstone National Park

4

Petronas Twin Towers, Malaysia

4

Temples of Abu Simbel, Egypt

4

Chip's Tips on United States

3

Holi

4

Nile River, Egypt