Think you know everything about Walt Disney World Resort and its four world-class theme parks Disneys Magic Kingdom, Epcot, Disney-MGM Studios and Disneys Animal Kingdom? Think again! Even the biggest Disney fanatic will be amused, intrigued or surprised by some of the 50 fascinating Disney World facts listed below . . .

1. Walt Disney World encompasses 30,500 acres, making it approximately the same size as San Francisco.

2. When Disneys Magic Kingdom first opened its doors on October 1, 1971, adult admission cost $3.50.

3. The opening day crowd at Disneys Magic Kingdom was approximately 10,000 guests.

4. The eight E ticket attractions at Disneys Magic Kingdom were Space Mountain, Pirates of the Caribbean, Haunted Mansion, Country Bear Jamboree, Hall of Presidents, Jungle Cruise, Its a Small World and 20,000 Leagues under the Sea.

5. The estimated annual attendance at Disneys Magic Kingdom is 16.2 million, followed by Epcot with 9.9 million, Disney-MGM Studios with 8.6 million and Disneys Animal Kingdom with 8.2 million.

6. Cinderella Castle is Disneys tallest structure at 189 feet, followed by Space Mountain at 183 feet.

7. Both the Carousel of Progress and Its A Small World made their debut at the 1964-65 New_York Worlds Fair.

8. The 180-foot-tall Spaceship Earth at the entrance to Epcot weighs approximately 16 million pounds.

9. The Haunted Mansion uses state-of-the-art Omnimover vehicles called Doom Buggies.

10. The jolly headhunter who shows up near the end of the Jungle Cruise is known as Trader Sam.

11. In conjunction with the 2006 release of Pirates of the Caribbean: Dead Mens Chest, the Pirates of the Caribbean attraction at Disneys Magic Kingdom was renovated to add several characters from the movie such as Jack Sparrow and Hector Barbossa.

12. The icon of Disneys Animal Kingdom, The Tree of Life, stands 14 stories, features more than 300 animal carvings and is 50 feet wide.

13. Built in 1917, Cinderellas Golden Carrousel in Fantasyland was once located at Olympic Park in Maplewood, New Jersey.

14. The Great Movie Ride at Disney-MGM Studios is housed in a replica of Manns Chinese Theater.

15. Astro Orbiter first opened in Tomorrowland in 1974 as Star Jets.

16. The Hall of Presidents had its origins as an audio-animatronic exhibition called Great Moments with Mr. Lincoln, which premiered at the 1964-65 New York Worlds Fair.

17. Originally known as the Tropical Serenade, the Tiki Room in Adventureland was once sponsored by Florida Citrus Growers.

18. The 60-foot-tall Swiss Family Treehouse in Adventureland weighs approximately 200 tons and is made of concrete and thousands of polyethylene leaves.

19. Cinderella Castle, the centerpiece of Disneys Magic Kingdom, features 18 towers and 13 gargoyles.

20. The Many Adventures of Winnie the Pooh at Fantasyland is located on the site of the former Mr. Toads Wild Ride.

21. The Spirits of America statues in The American Adventure at Epcot represent Adventure, Compassion, Discovery, Freedom, Heritage, Independence, Individualism, Innovation, Knowledge, Pioneering, Self-Reliance and Tomorrow.

22. Towering four stories over DinoLand U.S.A. at Disneys Animal Kingdom, Dino-Sue is an exact replica of the largest Tyrannosaurus Rex ever discovered.

23. Big Thunder Mountain Railroad in Frontierland features six trains: I.B. Hearty, I.M. Brave, I.M. Fearless, U.B. Bold, U.R. Daring and U.R. Courageous.

24. The Rock n Roller Coaster Starring Aerosmith at Disney-MGM Studios launches you at a speed of 0 to 60 miles per hour in 2.8 seconds.

25. A swinging suspension bridge leads from Tom Sawyer Island to Fort Langhorne, which was named after Samuel Langhorne Clemens (better known as Mark Twain).

26. The replica of the Liberty Bell that can be found in the center of Liberty Square was built from the same authentic cast as the original in Philadelphia, Pennsylvania.

27. The exit to Haunted Mansion features crypts with humorous names inscribed such as I.M. Ready, Rustin Peese, Pearl E. Gates, Manny Festation, Dustin T. Dust and Asher T. Ashes.

28. The Walt Disney World Railroad, which serves approximately 1.5-million passengers annually, is an authentic 1928 steam-powered train.

29. The Mission: SPACE thrill ride at Epcot is so authentic that motion sickness bags are available just in case of emergency.

30. Mickeys Toontown Fair was once known as both Mickeys Birthdayland and Mickeys Starland.

31. Sonny Eclipse, an intergalactic lounge singer, performs daily at Cosmic Rays Starlight Caf in Tomorrowland.

32. In order to rank as a Galactic Hero at Buzz Lightyears Space Ranger Spin, you must score 900,000 to 999,999 points.

33. The audio-animatronic dog in the Carousel of Progress is named Rover.

34. Astronauts Scott Carpenter, Gordon Cooper and Jim Irwin were present at the grand opening of Space Mountain in 1975.

35. Stitchs Great Escape in Tomorrowland lies at the former site of ExtraTERRORestrial Alien Encounter, which closed in 2003.

36. One of the original attractions at Disneys Magic Kingdom, Tomorrowland Indy Speedway was once known as Grand Prix Raceway.

37. Recently renamed The Seas with Nemo & Friends, The Living Seas pavilion opened at Epcot in 1986 and was originally sponsored by United Technologies.

38. Honey, I Shrunk the Audience, a 3-D film at Epcot, is located in Future World at the former site of Captain EO, another 3-D adventure that was directed by Francis Ford Coppola and starred Michael Jackson and Anjelica Huston.

39. Legendary golfer Jack Nicklaus was the first champion at the Walt Disney World Open Invitational, which made its debut in 1971.

40. The Tomorrowland Transit Authority was originally called the WEDway People Mover (WED standing for Walter Elias Disney).

41. Disneys Magic Kingdom, which encompasses approximately 107 acres, is itself larger than Disneyland, which only covers 80 acres in Anaheim, California.

42. The design of Main Street U.S.A. was loosely based on Walt Disneys hometown of Marceline, Missouri.

43. The Swiss Family Treehouse is of the species Disneyodendron eximus or Out-of-the-Ordinary Disney Tree.

44. The 189-foot-tall water tower icon at Disney-MGM Studios is known as the Earffel Tower.

45. Jungle Cruise riverboats include Amazon Annie, Bomokandi Bertha, Congo Connie, Ganges Gertie, Irrawaddy Irma, Kwango Kate, Mongala Millie, Nile Nelly, Orinoco Ida, Rutshuru Ruby, Sankuru Sadie, Senegel Sal, Ucvali Lolly, Volta Val, Wamba Wanda and Zambesi Zelda.

46. Splash Mountain in Adventureland features a five-story, free-fall plunge at a 45-degree angle into a splash pool at a speed of 40 miles per hour.

47. The 8,500-acre Disney Wilderness Preserve, which lies 15 miles South of Disney World, features a Conservation Learning Center and hiking trails.

48. Buzz Lightyears Space Ranger Spin is located at the former site of If You Had Wings in Tomorrowland.

49. The three talking heads who introduce the Country Bears Jamboree are named Buff, Max and Melvin.

50. Approximately 46 million people visit Walt Disney World including Disneys Magic Kingdom, Epcot, Disney-MGM Studios, Disneys Animal Kingdom and Downtown Disney annually.

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