4

Grandpa's Guide Dog

4

Grandpa's Guide Dog

4

Yellowstone National Park

3

Dog Breeds

4

Kremlin, Russia

4

The Golden Gate Bridge

4

Timbuktu, Mali

4

The Mississippi River

4

Carthage, Tunisia

4

Petra, Jordan

4

Erbil Citadel, Iraq

4

Things to See in New York City

4

Hadrian's Wall, England

4

Ngorongoro Crater, Tanzania

4

The Giant's Causeway, Ireland

4

History of Carnival Rides

3

Life Cycles

4

Burj Al Arab, United Arab Emirates

4

Table Mountain, South Africa

4

U.S.S. Arizona Memorial at Pearl Harbor

4

Canterbury Cathedral, Canterbury, England

4

Okavango Delta, Botswana

4

Mount Rushmore

4

Temples of Abu Simbel, Egypt

4

Mecca, Saudi Arabia

4

Pyramids of Giza, Egypt

4

Mount Kilimanjaro, Tanzania

3

A Capitol Dream

4

Hoover Dam

4

Angkor Wat, Cambodia