This updated edition asks you to pack your bags. We are on our way to Europe! Learn about the world's longest motor traffic tunnel, the largest inland sea on Earth, and the smallest country in the world. Turn the pages of this book to find out: how fjords in Norway make it possible for large ships to sail far inland, why the Eiffel Tower was built and how many people visit it each year, where the Colosseum is and how it was used.