The Hoover Dam

The Hoover Dam is one of the largest dams in the world! It provides power and water to people in Arizona, Nevada, Utah, and California. Just how does the Hoover Dam work? And how...

The Golden Gate Bridge

The Golden Gate Bridge is an important structure in San Francisco, California. Before this bridge was built, people had to take a ferry across the dangerous stretch of water to...

Pickup Trucks on the Move

It can drive off road. It can tow big trailers. This pickup truck is on the move! How do people use pickup trucks? And how do drivers control them? Read this book to find out!...