Describes the history of the Great Pyramids of Giza, including how they may have been built, their original purpose, and other ancient pyramid structures around the world.

"It was world-famous sculptor Gutzon Borglum's dream to carve sixty-foot-high likenesses of four presidents on a granite cliff in South Dakota. Does that sound like a wacky idea? Many at the time thought so. Borglum faced a lot of opposition and problems at every turn; the blasting and carving carried out through the years of the Great Depression when funding for anything was hard to come by. Yet Mount Rushmore now draws almost three million visitors...

New York City boasts one of the most famous skylines in the world, and the Empire State Building is undeniably the focal point of this incredible view. At 102 stories, the structure was no small feat. In fact, its construction coincided with the onset of the Great Depression, and so progress was met with numerous setbacks. Still, because of the efficiency that went into the building's development, it only took a year and forty-five days to complete!...

More than two thousand years ago, with his land under constant attack from nomads, the First Emperor of China came up with a simple solution: build a wall to keep out enemies. It was a wall that kept growing and growing. But its construction came at a huge cost: it is believed that more than a million Chinese died building it, earning the wall its nickname--the longest cemetery on earth. Through the story of the wall, Patricia Brennan Demuth is able...

"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 insects,...

"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...

Describes the construction and history of the Colosseum, the largest oval amphitheater in the center of Rome, Italy.

"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...

Describes the isolated Nevada air base known as Area 51, covering its use for testing top-secret aircraft, and discusses speculation about a connection to unidentified flying objects.

"Readers will want to grab a telescope and explore the night skies after finishing this overview of our solar system. Our solar system consists of eight planets, as well as numerous moons, comets, asteroids, and meteoroids. For thousands of years, humans believed that Earth was at the center of the Universe, but all of that changed in the 17th century. Astronomers like Nicolaus Copernicus, Galileo Galilei, Johannes Kepler, and Isaac Newton proposed...

"The Tower of London holds almost a thousand years' worth of secrets! The Tower of London draws more than 2 million visitors a year! Almost 1,000 years old and first built by William the Conqueror in 1066, the tower has been a fortress, a palace, a zoo, and an exhibit site for the amazing Crown Jewels. But the tower's reputation as a prison is probably what accounts for its popularity! Two young princes in the time of King Richard III were never again...

"Explore Antarctica--the coldest, driest, and windiest continent on Earth--in this adventure-filled title in the Who HQ series. Antarctica, the earth's southernmost continent, was virtually untouched by humans until the nineteenth century. Many famous explorers journeyed (and often died) there in the hope of discovering a land that always seemed out of reach. This book introduces readers to this desert--yes, desert!--continent that holds about 90...

"Get the inside story on the famous fortress in the heart of Moscow that has withstood fires, invaders, and revolutions for almost seven hundred years. Lined by nineteen beautiful towers, the high walls of the Kremlin enclose colorful domed cathedrals, treasure-filled museums, and the Russian capitol. But this Moscow fortress has had its share of dark days. Follow along with author Deborah Hopkinson as she recounts the tales of spying, murder, missing...