Grade 5

For over 20 years, Undertaker has been an almost unstoppable force in WWE. He has collected a record 21 WrestleMania wins, and that's just one accomplishment! When Undertaker eventually makes More →

Cameras rolled as the huge airship, Hindenburg, caught fire and crashed in New Jersey on May 6, 1937. The disaster was so shocking that the name Hindenburg has become synonymous with… More →

As one of the most devastating shipwrecks in history, the sinking of RMS Titanic killed more than 1,500 passengers. There were only enough lifeboats for about one third of the people on… More →

On April 20, 2010, the Deepwater Horizon rig exploded, leading to the biggest offshore oil spill ever in the United States. The explosion was visible for 35 miles! Readers will watch workers… More →

Members of the Cenation unite! John Cena exploded into WWE in 2002, and he quickly became a fan favorite after racking up world championships. If they weren’t fans before, young readers will… More →

Known as the Ultimate Underdog, the high-flying Rey Mysterio has been a fan favorite since his debut. Trained in Mexican lucha libre wrestling, Mysterio makes up for his small size with… More →

When it comes to lemurs, it's a woman's world. Females rule—they eat first, win all family arguments, and fight enemies on the front lines. Learn why you'd want to be “one of the ladies” in a More →

Most people in the Netherlands ride bicycles to get to work, enjoy the landscape, and for sport. They look forward to spring when they can pedal past world-famous tulip fields in full bloom.… More →

Trespassing in mountain lion habitat is a dangerous idea. Mountain lions do not share their territory, and they will not hesitate to stalk, pounce, and bite to defend it. Read about people… More →

Iceland is known as “the land of fire and ice.” This is because the island has around 200 volcanoes and about a tenth of its area is covered with glaciers. The colors of the national flag… More →

As a country of 17,000 islands, Indonesia is truly unique. It's fitting that many rare animals make their homes in Indonesia. The venomous Komodo dragon, one of the deadliest animals in the… More →

After decades of war, South Sudan became an independent country in 2011. Though its people face struggles as they build their new nation, they do have reason for national pride. Their country More →