4
Neuschwanstein Castle, Germany
4
Brandenburg Gate, Germany
4
Sheikh Zayed Mosque, UAE
3
Anne Frank
3
May Day
2
Country Flags of Europe
4
U.S.S. Arizona Memorial at Pearl Harbor
3
Rivers of the World
3
Ludwig van Beethoven
4
Nasir al-Mulk Mosque, Iran
3
Florence Nightingale
3
Hanukkah
3
Meteorites, Meteoroids, and Meteors
3
Heat and Temperature
4
Chip's Tips on Rwanda
4
Chip's Tips on Switzerland
3
Martin Luther
3
Pablo Picasso