The Coolsonian Museum is a museum in Coolsville.
- Dinosaur bones
- Samurai swords (over 700 years old)
- Daitou (long sword)
- Wakizashi (short sword)
- Howard Huge's wooden plane: The Mahogany Pigeon
- Egyptian room including mummy cases
- Whale and other marine animals
- Former employees
- Mr. Dayton (curator)
A Pup Named Scooby-Doo
Later, they went back to the museum on a motorized skateboard (since it wasn't in walking distance) to look for clues to clear Shaggy and Scooby. They were able to capture the real culprit, the Samurai Ghost.