4

Chip's Tips on Oman

4

Chip's Tips on Mexico

4

Angkor Wat, Cambodia

4

Kremlin, Russia

4

The Golden Gate Bridge

4

The Statue of Liberty

3

Magnetism

3

Speed, Velocity, and Acceleration

4

Belém Tower, Portugal

4

Serengeti, Tanzania

3

Pressure

4

Chip's Tips on Jamaica

3

Thanksgiving Day

4

Chip's Tips on Algeria

4

Carthage, Tunisia

4

Chip's Tips on Gabon

4

Acropolis, Greece

4

Okavango Delta, Botswana

4

U.S.S. Arizona Memorial at Pearl Harbor

4

Chip's Tips on Ghana

3

The Winklers' Holiday on Zoo Lovers Day

4

Victoria Falls, Zimbabwe/Zambia

4

Chip's Tips on Malta

4

Chip's Tips on Sudan

4

Chip's Tips on Finland

4

Chip's Tips on Mauritius

4

Niagara Falls

4

Chip's Tips on Equatorial Guinea

4

Petronas Twin Towers, Malaysia

4

Chip's Tips on Tanzania