4

Arc de Triomphe, France

4

Gateway Arch

4

U.S.S. Arizona Memorial at Pearl Harbor

4

Chip's Tips on Russia

3

Vasco da Gama

3

Simon Bolivar

3

Jacques Cartier

4

Maddy's New Mexico Diary

3

Hanukkah

3

Pressure

4

Early North American Settlers

2

Country Flags of Europe

3

Pablo Picasso

3

Juan Ponce de León

4

Chip's Tips on Switzerland

4

Maddy's Minnesota Diary

3

Leonardo da Vinci

4

The Statue of Liberty

3

Florence Nightingale

3

Marie Curie

3

Gulfs of the World

4

Maddy's South Dakota Diary

4

Washington Monument

4

Windsor Castle, England

3

Napoleon Bonaparte

3

Wetlands of the World

3

Islands of the World

4

Visual Arts & Artists

3

Amerigo Vespucci

3

Caves of the World