
Chapter 1
Tricks of the eye and architectural magic
Chapter 2
The hidden cities beneath the magic
Chapter 3
Cultural shapeshifting across the globe
Chapter 4
The sensory science of the parks
YOUR GOAL
Master of Secrets of the Disney castles and underground cities
Ch 4 · The sensory science of the parks
disney Disney Park Smellitizers
That sweet vanilla breeze on Main Street, U.S.A., Is a clever scent machine that makes your memories stay.

disney A labeled isometric render shows speakers and foliage separating Adventureland from Frontierland.
Fun Fact
Cookie scent tricks: The scent of baking cookies on Main Street, U.S.A. is actually artificial, pumped out by hidden machines.
Glossary
smellitzer (noun)
A mechanical device designed to disperse controlled aromas into an environment to evoke memories or emotional responses. Imagineer Bob McCarthy helped develop these scent machines in the early 1980s to enhance guest immersion.
A mechanical device designed to disperse controlled aromas into an environment to evoke memories or emotional responses. Imagineer Bob McCarthy helped develop these scent machines in the early 1980s to enhance guest immersion.
Quiz
What is the name of the patented devices Disney uses to pump scents into the parks?
Quiz
What is the term for the subtle three-circle silhouettes hidden throughout Disney park architecture?
Quiz
Where is the original, highly exclusive Club 33 hidden inside Disneyland in California?
Quiz
How do Disney parks prevent the music of different lands from overlapping and clashing?
Quiz
What artificial scent is pumped onto Main Street, U.S.A. to make guests feel hungry and nostalgic?
Quiz
Which classic attraction uses the smell of gunpowder and damp wood to immerse guests?

