4

Grandpa's Guide Dog

4

Grandpa's Guide Dog

4

The White House

3

Sacagawea

4

Great Wall of China, China

4

Nile River, Egypt

4

Erbil Citadel, Iraq

4

Hoover Dam

4

Serengeti, Tanzania

4

Hadrian's Wall, England

4

Okavango Delta, Botswana

4

Things to Do in Central Park

4

Buckingham Palace, London

3

Life Cycles

4

The Space Needle

4

The Dome of Rock, Jerusalem

4

Washington Monument

4

Big Ben, London

4

The Giant's Causeway, Ireland

4

Stonehenge, England

3

A Capitol Dream

4

Bazaruto Archipelago, Mozambique

4

Angkor Wat, Cambodia

4

The Statue of Liberty

4

Lake Malawi, Malawi

4

London Eye, London

4

The Golden Gate Bridge

4

Timbuktu, Mali

4

Mount Kilimanjaro, Tanzania

4

Table Mountain, South Africa