Mimi, Papa, Christina, and Grant make an emergency landing on Diamond Shoals off the North Carolina coast and encounter a mysterious light on the beach.
Christina, Grant, Benjamin, and Katherine become gridlocked in a mystery that takes them on a hair-raising history tour of New York City's most famous landmarks to find a priceless missing part of history.
Christina, Grant, Benjamin, and Katherine become gridlocked in a mystery that takes them on a hair-raising history tour of New York City's most famous landmarks to find a priceless missing part of history.
Mimi fascinates Christina and Grant as she recounts the mystery of the lost colony of Roanoke Island, where a group of settlers vanished, with few clues as to what happened to them.
Christina, Grant, Mimi, and Papa visit the world-famous Hershey Chocolate Factory on the 100th anniversary of the founding of the town and quickly become involved in a mystery involving stolen silver dollars.
Christina and Grant travel to Jamestown, Virginia, where they learn about colonial America and try to solve a mystery involving an archaeologist accused of stealing bones.
Christina, Grant, Juan, and Rose find themselves in big trouble while trying to solve a mystery at the Alamo that their mystery book-writing grandmother says does not exist.
Michele, Michael, Jo Dee, and Brian set off on an adventure in North Carolina's pirate haunt port town of Bath, where they try to recover a special prop and save an outdoor drama while learning about the Golden Age of piracy.
