4

Landmarks of Asia

2

Country Flags of Asia

4

Petronas Twin Towers, Malaysia

3

Amerigo Vespucci

4

Chip's Tips on Thailand

3

Canyons of the World

4

Petra, Jordan

3

Archipelagos of the World

3

Straits of the World

3

Isthmuses of the World

3

Islands of the World

3

The Winklers' Holiday on Zoo Lovers Day

4

Chip's Tips on Laos

3

Coral Reefs of the World

4

Chip's Tips on India

4

Chip's Tips on Egypt

3

Eid al-Fitr

4

Golden Temple, India

3

Sinkholes of the World

3

Christopher Columbus

3

Drainage Basins of the World

4

Erbil Citadel, Iraq

4

Nasir al-Mulk Mosque, Iran

3

Marco Polo

4

Chip's Tips on Yemen

4

Great Wall of China, China

4

Patsy and Paul at Angkor Wat in Cambodia

3

Gulfs of the World

3

Chinese New Year

3

The Winklers' Holiday on Zoo Lovers Day