Describes some of the most amazing and intriguing places on Earth. In The Lost Tribe, Mike and Ted are forced to land their hot air balloon on a mysterious island.
What are UFOs? Are they real? What do they look like? Have aliens visited Earth? Explore these questions and read "The Valley of the Zombies," a thrilling story about aliens invading Earth.
Learn about population in countries around the world, and how changes in the number, age, and gender of people living in a place affect life there. Explore different settlements, from ancient towns to sprawling, modern cities. Find out why and where people migrate, and discover how we can protect our planet from the risks of overpopulation.
Learn about rivers and coasts and how water shapes the landscapes in different ways. Follow rivers from their source to the sea, and explore coasts around the world. Find out how erosion creates stunning waterfalls, and see how water affects our lives, from tourism and industry to the risks of flooding.
Find out about the different types of volcanoes and how they form. Learn how scientists monitor volcanic activity, and what makes some eruptions so much more destructive than others. Read about some of the most famous volcanic eruptions in history and their effects on the people and environment surrounding them.
Ever wondered what sort of silly things go on behind the White House doors? From alligators in the bathroom to sheep on the lawn, the United States presidents are full of surprising stories! Discover some of the wackiest, really weird, totally true presidential tales from throughout American history!
From the Great Pyramids of Egypt to the Great Wall of China and beyond, the landmarks of the world’s ancient cultures still stand as impressive reminders of our past. But traces of these long-ago civilizations can also be found in more unusual places, including a fast-food restaurant!