Mentioning the Colosseum is certain to summon images of gladiators in bloody battle or exotic animals on display. But there's much more to know about this Roman amphitheater. This book…

When you need to cross both land and sea, an amphibious vehicle is the right tool for the job. These amazing machines can traverse a variety of terrains to safely…

Few sights are more mysterious than the enormous carved heads of Easter Island. These stone sculptures were created by ancient people whose accomplishments still puzzle us today. How did the…

North Korea strictly limits contact between its citizens and the outside world. Rare occasions, such as the North Korean Mass Games, offer a glimpse of what’s often called the secret…