Disney parks have a way of immersing guests into different worlds, and every detail for each ride, show and land is usually carefully considered. Horseshoe prints are embedded in the streets of Fantasyland, a biodegradable dye is used in the waters of the Jungle Cruise and RIvers of America to give them a more natural look and Nepalese Coca-Cola bottles can even be found outside Expedition Everest at Disney's Animal Kingdom. But occasionally there are some details that are overlooked, and they can leave guests scratching their heads for years trying to figure them out. Here are a few burning questions we have about some popular Disney attractions. How many of them have you also wondered about before?

1. A Carousel of characters

Walt Disney's Carousel of Progress follows the members of a "typical" American family as they adjust to the invention of electricity and other advances in technology through the years. Well, it follows most of the family members. In the show's first scene, there's a little blond girl washing clothes with her mother. But in the following scene, the girl disappears, never to be seen again. So what happened to her? Did she run off to join the other children in It's A Small World?

Another detail in this show that was missed involves her sister Patty's hair. In the first scene, she's a brunette and in the following scenes, she's a blonde. Could she have dyed her hair as a tribute to her missing sister? One final question that plagues fans of this attraction: is the family dog immortal? Or does it just have a lot of identical relatives?

2. Universe of misinformation

Ellen’s Energy Adventure packs a lot of info in its 45(!)-minute-long ride, but unfortunately, much of it is inaccurate. First of all, when Bill Nye the Science Guy and "Just Ellen" go back to the beginning of the Age of Dinosaurs, they encounter a wide variety of creatures that lived in very different time periods and wouldn't have all existed at the same time. The ride also overestimates the time when dinosaurs became extinct.

Toward the end of the show, Bill tells Ellen that there's only about 60 years' worth of natural gas available, but today's estimates range from 100 years' to more than 200 years' worth. It just makes you wonder if anyone fact-checked the Epcot ride's script. Even accounting for advances in research pertaining to the availability of natural gas, why can't the 20-year-old attraction just be updated?