Here are a few, fun tid bits from "The Walt Disney World Trivia Book - Secrets, History & Fun Facts Behind the Magic" by Louis A. Mongello....
The rocks in the lion are of Kilimanjaro Safaries are climate controlled. They are heated in the winter and cooled in the summer to encourage the lions to lie in good viewing areas.
More than 61,000 costume items are required to dress the Animal Kingdom's Cast Members.
AK contains live plants from every continent on earth except Antarctica.
Nearly a mile of neon lights are used outside the RnR attraction.
In 1966, Walt Disney was diagnoses with lung cancer, contracted after years of smoking cigarettes. His illness and it's connection to smoking prompted the Imagineers to remove Rod Serling's signature Cigarette from the pre-show video in the ToT.
When the ToT was being built, it was struck by lightning.
The Coaster Track for RnR was built first and then the building was constructed around it.
The Thatched roofs in the UK Pavilion are made out of plastic broom bristles because real thatch would be a fire hazard.
More than 30 tons of the fruits and veggies served in WDW restaurants are grown in The Land Pavilion.
The Antique Mining Equipment in the Big Thunder Mtn Railroad attraction is genuine and cost over $300,000,00.
The voice of Big Al in the Country Bear Jamboree was performed by none other than Tex Ritter, one of the best-known singing cowboys in westerns.
In The Hall of Presidents, FDR's figure is so detailed that if you look closely, you can see the braces on his legs.