Isla Ellis (Ellis Island)
|
|
2.0 |
|
|
Ellis Island
|
|
1.0 |
|
|
El Álamo (Alamo)
|
|
1.7 |
|
|
Recycling
|
|
2.8 |
|
|
Wildfires
|
|
2.9 |
|
|
Ice Storms
|
|
2.9 |
|
|
Hybrid and Electric Cars
|
|
2.9 |
|
|
Floods
|
|
2.6 |
|
|
La Casa Blanca (White House)
|
|
1.5 |
|
|
Liberty Bell
|
|
0.9 |
|
|
Monte Rushmore (Mount Rushmore)
|
|
2.0 |
|
|
Green Buildings
|
|
2.9 |
|
|
Wind Power
|
|
2.8 |
|
|
La Campana de la Libertad (Liberty Bell)
|
|
1.4 |
|
|
Alamo
|
|
1.0 |
|
|
Martin Luther King, Jr. Day
|
|
1.0 |
|
|
¡Hola, América! (Hello, America!) (6 titles)
|
|
|
|
|
White House
|
|
1.0 |
|
|
Juneteenth
|
|
0.9 |
|
|
Solar Power
|
|
2.9 |
|
|
Green Planet (3 titles)
|
|
|
|
|
Statue of Liberty
|
|
1.0 |
|
|
Mount Rushmore
|
|
1.0 |
|
|
La Estatua de la Libertad (Statue of Liberty)
|
|
1.1 |
|
|
