Mesa Verde National Park: Protecting the Culture of Ancient Native Americans (2008-12-31)  |
| Four More People Who Are Making a Difference (2008-12-24) |
| Under the Sea, Under the Fake Sea: Visiting Some Popular Aquariums (2008-12-17) |
| Carl Sagan Helped People Understand Our Planet and the Universe (2008-12-10) |
| The Castillo de San Marcos: Ships, Explorers, Pirate Attacks and Wars (2008-12-3) |
| Four More People Who Are Making a Difference (2008-11-26) |
| Visiting Seven of America’s Natural Wonders (2008-11-19) |
| Diamonds Are a Multi-Billion Dollar Business Around the World (2008-11-12) |
| A Trip Along the Potomac River, One of America’s Most Historic Waterways (2008-11-5) |
| Environmental Art of Christo, Jeanne-Claude Helps People See Their Surroundings New Ways (2008-10-29) |
| Camping in America’s National and State Parks (2008-10-22) |
| Graham Hawkes Builds Submarines That 'Fly' to the Ocean's Depths (2008-10-15) |
| People Who Are Making a Difference in the World (2008-10-8) |
| Isaac Newton: One of the World’s Greatest Scientists (2008-10-1) |
| National Cryptologic Museum Is Filled With Secrets of the Past (2008-9-24) |
| Entrepreneurs Change the World (2008-9-17) |
| Shadow Wolves Find and Arrest People Trying to Bring Drugs Into US (2008-9-10) |
| Jimmy Doolittle Is Best Remembered for Leading a Raid on Japan in 1942 (2008-9-3) |
| How English Became a Modern Language (2008-8-27) |
| Where Did the English Language Come From? (2008-8-20) |
| Visiting the Embassies of Washington, D.C. (2008-8-13) |
| Scuba Diving Is an Exciting Sport That Opens Up a Whole Underwater World (2008-8-6) |
| America's Space Agency Turns 50 (2008-7-30) |
| Going for the Gold at the Olympics in Beijing (2008-7-23) |
| A Visit to the Cultural Treasures in and Around Cairo, Egypt (2008-7-16) |
| Exploring the Nile in Egypt (2008-7-9) |
| Technology Increases Income, Reduces Poverty in Developing Countries (2008-7-2) |
| Teaching With Technology in the Information Age (2008-6-25) |
| The Information Age: The Internet (2008-6-18) |
| The Way People Communicate Has Changed Over Time (2008-6-11) |
| The Story of Cinderella Is Popular Around the World (2008-6-4) |
| Film Festivals Around the World Celebrate the Art and Industry of Movies (2008-5-28) |
| International Red Cross Helps Victims of Natural Disasters (2008-5-21) |
| A Visit to Two National Parks: Mount Rainier and Valley Forge (2008-5-14) |
| Jackie Cochran Traveled With the Wind and Stars (2008-5-7) |
| At the Indiana Dunes, the Hills Are Alive With the Music of the Sand (2008-4-30) |
| World Food Crisis Could Push Millions of People Into Poverty (2008-4-23) |
| Five Building Designers Who Are Redefining Modern Architecture (2008-4-16) |
| The World of Cars Is Changing Fast (2008-4-9) |
| The Story of Finding Longitude: It Was All a Question of Timing (2008-4-2) |
| Tenement Museum Recreates Old Immigrant Life in New York City (2008-3-26) |
| Cities Around the World Are 'Going Green' (2008-3-19) |
| Music Would Not be the Same Without the Guitar (2008-3-12) |
| Chocolate Has a History as Rich as Its Taste (2008-3-5) |
| Doc Holliday: One of the Most Famous, and Dangerous, Gunfighters of the Old West (2008-2-27) |
| Understanding Happiness (2008-2-20) |
| From San Diego to San Francisco, Visiting the Beautiful Missions Along the Coast of California (2008-2-13) |
| Hiking the Appalachian Trail Through the Mountains of 14 States (2008-2-6) |
| Disputes on Stolen Art Bring Up Complex Legal and Cultural Issues (2008-1-30) |
| Sounds of the Solar System Are Music to the Ears (of Space Scientists) (2008-1-23) |
| These Modern Structures Are Wonders of the World (2008-1-16) |
| These Places Are Natural Wonders of the World (2008-1-9) |
| Seven Wonders of the Ancient World, Plus a Few (2008-1-2) |
