What mysteries are hidden within a dark, deserted cave? People have used caves for shelter and protection throughout history, but some of these places have been marked by tragedy. Could the caves be haunted by ghosts who wander through their shadowy chambers? Among the 11 spooky places featured in this book, readers will explore a cave of lost treasure hidden by Spanish conquistadors over 350 years ago; a cavern where a 13-year-old boy discovered the largest underground lake in the United States; and a cave where the mournful ghost of a young woman searches desperately for her lost love. The mysteries of these eerie places and the spirits said to still haunt them will keep readers turning the pages.