The White House Christmas Mystery
The Mystery on the Mighty Mississippi
The "Gosh Awful" Gold Rush Mystery
The Mystery at Fort Sumter
The Mystery in the Rocky Mountains
The Mystery of the Graveyard of the Atlanctic
The Mystery on the Great Lakes
The Mystery of the Alamo Ghost
The Mystery of the Underground Railroad
The Mystery at Yellowstone National Park
The Mystery in Chocolate Town, Hershey, Pennsylvania
The Mission Possible Mystery at Space Center Houston
