Elmo visits the police station to find a lost puppy.

Introduces Mount Everest, the tallest peak in the world, describing its ancient beginnings, the first human settlers, and historic climbs.

While traveling through Canada in 1678, a French priest came across the most gigantic waterfalls he'd ever seen. Stricken with both awe and fear, he began to shake, fell to his knees, and prayed. Ever since, people from all over the world have come to explore Niagara: among them the daredevils determined to tumble down or walk across the falls on tightrope. Kids will get a kick reading about the hare-brained stunts and will also learn how the falls...

There are canyons all over the planet, and the Grand Canyon in Arizona is not the biggest. Yet because of the spectacular colors in the rock layers and fascinating formations of boulders, buttes, and mesas, it is known as one of the Seven Natural Wonders of the World. Starting with a brief overview of how national parks came into being, this book covers all aspects of the canyon--how it formed, which early native people lived there, and what varied...

"Escape from the ordinary and break into Alcatraz, America's most famous prison! The island of Alcatraz has always been a place that's fascinated visitors, from the Native American tribes who believed it was home to evil spirits to the Spanish explorers who discovered the island. In modern times, it was a federal prison for only 29 years, but now draws over a million visitors each year. Learn the history of America's most famous prison, from its initial...

"Without risking life or limb, readers can explore the wonders and beauty of the Amazon in this Where Is ...? title. Human beings have inhabited the banks of the Amazon River since 13,000 BC and yet they make up just a small percentage of the 'population' of this geographic wonderland. The Amazon River basin teems with life--animal and plant alike. It's a rainforest that is home to an estimated 390 billion individual trees, 2.5 million species of...

"In this Where Is? title, kids can explore the Great Barrier Reef--big enough to be seen from space but made up of billions of tiny living organisms. The Great Barrier Reef, off the coast of Australia, is the world's largest coral reef system. Stretching more than 1,400 miles, it provides a home to a wide diversity of creatures. Designated a World Heritage Site, the reef is suffering from the effects of climate change but this fascinating book shows...

"This book teaches readers about the Galapagos Islands, a chain of volcanic islands located on either side of the equator in the Pacific Ocean, and the strange and unique animals that live there. Some animals include the marine iguana, the blue-footed booby, the magnificent frigatebird and the giant Galapagos tortoise, which may live to be over one hundred years old. The islands, which were studies by Charles Darwin, are a popular tourist destination...

The Emperor Titus opened the enormous Colosseum in AD 80 to host 100 days of games, and it will astound readers to learn what the ancient Romans found entertaining. Over 50,000 screaming fans watched gladiators battling each other to the death, men fighting exotic wild beasts, and even mock sea battles with warships floating on an arena floor flooded with water. By AD 476 the Roman Empire had fallen, and yet the ruins of the Colosseum remain a world-famous...

"Discover the history and culture of one of the most famous waterways in the world: the mighty Mississippi! The most famous river in America runs like a spine between the eastern and western parts of the country, flowing through ten states before it empties into the Gulf of Mexico. The mighty Miss also flows through the history of America, giving rise to great stories about the people who lived on it and used it as a watery highway, from Native Americans...