3

Wetlands of the World

4

The Statue of Liberty

3

Pressure

4

Visual Arts & Artists

3

Caves of the World

4

U.S.S. Arizona Memorial at Pearl Harbor

4

Maddy's New Mexico Diary

3

Vasco da Gama

3

Marie Curie

3

Gulfs of the World

2

Country Flags of Europe

3

Jacques Cartier

3

Simon Bolivar

3

Individual Sports

4

Maddy's South Dakota Diary

4

Chip's Tips on Russia

4

Washington Monument

4

Gateway Arch

3

Pablo Picasso

3

Capes and Peninsulas of the World

3

Kwanzaa

4

Chip's Tips on Switzerland

4

Maddy's Arkansas Diary

3

Hanukkah

3

Leonardo da Vinci

3

Amerigo Vespucci

3

Napoleon Bonaparte

3

Juan Ponce de León

3

Florence Nightingale

4

Maddy's Minnesota Diary