2

Jazz Gets Some Zzs

4

Jewels, Gemstones, and Birthstones

3

Fjords of the World

3

The Old Man In The Dream

3

The Disappearing Cow

4

Angkor Wat, Cambodia

3

Glaciers of the World

2

Cliff's New Car

4

Landmarks of Asia

4

Bazaruto Archipelago, Mozambique

2

The Spider Web

3

Stars

4

The Giant's Causeway, Ireland

2

The Trail

4

Burj Al Arab, United Arab Emirates

4

Temples of Abu Simbel, Egypt

4

Early Native Americans

3

Mercury

3

Valleys of the World

3

The Old Man In The Dream

4

Nile River, Egypt

3

Comets

4

Washington Monument

3

Uranus

2

Hess and his Sticky Mess

4

Petronas Twin Towers, Malaysia

2

Hess and his Sticky Mess

4

The Golden Gate Bridge

4

Hoover Dam

2

Months of the Year