Thames Barrier - Protecting London From Flooding
The London Underground
The Cold War
Archaeology
African American Music
The Manhattan Project
Malcolm X - Civil Rights Acivist
Avalanches
Boko Haram - Islamic Movement in Nigeria
Pygmies
Ivory
The Scout Movement
Amazon.com - The World's Largest Internet Company
Banking in Switzerland
Oil - The World's Most Important Source of Energy
The Louvre - Famous Museum in Paris
Rio de Janeiro
El Niño - Climate Changes in the Pacific Ocean
Espionage - History and Methods of Spying
The Soviet Union
Developing Countries
Road Rage
OPEC - The World's Oil Cartel
Leaning Tower of Pisa
Mummies - Preserving the Dead for the Afterlife
The Green Card Lottery - Immigrating to the United States
The Giant Panda
Visual Arts
Gaza-Israel Conflict
Atolls-Islands Made of Coral Reefs
Languages
Stem Cells
The Space Race
Rivers
Tour de France - The World's Most Important Cycling Event
Whaling
Ecotourism
The Spice Trade
Easter Island
Vertical Farming - Agriculture of the Future
Landslides
Chinatown - How Chinese Live in the World's Cities
Africa
Mao Zedong - China's Communist Leader
World War I
The Food Chain
Hispaniola - One Island, Two Nations
Bananas
American Revolutionary War
Claude Monet - Master of Impressionism