16 Unbelievable Secrets You've Never Heard About Your Favorite Disney Rides

Exciting, thrilling, fun, and creative are just some of the many ways to describe Disney's incredible rides. It's a family-friendly amusement park with plenty of awesome rides and secret spots to explore.

Disney is full of adventures, but what many of us don't know is that there is more than what meets the eye; it's also full of secrets. Some of our favorite Disney rides contain hidden gems, unique meanings and interesting artifacts.

Just when you think you have discovered it all, there is something new to learn and explore. Here are some unbelievable secrets you've never heard about your favorite Disney rides.

The Disneyland Railroad, Jungle Cruise, King Arthur Carousel, Peter Pan's Flight and Mad Tea Party attractions were all original rides on opening day and are all still around today.

Yes, apparently the rumors are true; there is a real human skull in Disneyland's Pirates of the Caribbean. It is situated right on the headboard.

You will see the back half of a crashed plane during the Jungle Cruise ride. The front half from this plane can be seen in the Casablanca portion of the Great Movie Ride.

Animal Kingdom was originally designed to have a land devoted to mythical creatures, but it was cancelled at the last minute. This is the reason for the dragon on the Animal Kingdom sign.

This ride is located in Disney's Hollywood studios, it is actually housed in a replica of Mann's Chinese Theater.

Before this ride became a boat ride, it was actually supposed to be a walk-through wax museum.

The Mission: SPACE ride feels so unbelievably real that Disney has motion sickness bags on standby, just in case of emergency. Tip: Try the Reliefband if you suffer from motion sickness.

There is a half-court in a room at the top of the mountain that is used as a resting area for costumed climbers who scale the mountain for guests.

Individuals who can afford an expensive price tag can actually stay overnight in Cinderella's Castle. There are also three elevators inside and 27 towers on the castle.

Hop in your boat and enjoy this ride, but look out towards the end; the giant card that features children on it, also incorporates Charlie Brown.

Imbedded in the concrete in line at The Haunted Mansion is a wedding ring. It has been said that this ring belongs to the hanging bride you see in attic scenes on the ride.

Located in the line queue of Indiana Jones is the famous Mercedes Jeep. It's an actual movie prop from Raiders of the Lost Arc.

The metallic palm trees capture energy from the sun. According to World of Walt, the energy is stored in globes that hang from the trees. "When the globes are full, the Power Company harvests them and uses the energy to power Tomorrowland."

The saltwater tanks hold 5.7 million gallons, the aquarium is home to more than 6,000 sea creatures and the Caribbean Coral Reef Aquarium is one of the biggest man made ocean environments in the world, according to Theme Park Tourist.

If you look closely, you will see three pipes with chemical formulas printed on them in the queuing area. The formulas are for mustard, ketchup and mayonnaise.

Take a good look at the hieroglyphics in the Indiana Jones section of this ride. You will see Donald, Mickey, R2-D2 and C-3PO.