4

Hoover Dam

4

Pyramids of Giza, Egypt

4

The White House

4

The Golden Gate Bridge

4

Grand Canyon

4

Gateway Arch

4

Dr. Why-Animals

4

Niagara Falls

4

Dr. Why-Human Body

4

Lake Malawi, Malawi

4

Bazaruto Archipelago, Mozambique

Grade 1

Sorting, Ordering, & Classifying

4

The Statue of Liberty

4

Mount Kilimanjaro, Tanzania

4

Washington Monument

4

Carthage, Tunisia

4

Okavango Delta, Botswana

4

Dr. Why-Physics

4

Mount Rushmore

4

Nile River, Egypt