4

The Giant's Causeway, Ireland

3

Sinkholes of the World

4

Maddy's New Jersey Diary

4

Chip's Tips on Nigeria

1

Trucks

3

Mythical Creatures

3

Uranus

3

Mythical Creatures

3

Neptune

3

Stars

4

Temples of Abu Simbel, Egypt

4

Maddy's Connecticut Diary

3

Saturn

4

Chip's Tips on New Zealand

4

Sharks and Other Sea Life

3

Dog Breeds: Working Group

4

Maddy's New York Diary

3

Jupiter