There are some very elaborate and expensive rides at Walt Disney World’s theme parks. These are the most expensive ones and an estimate of how much they cost to build.
Guardians of the Galaxy: Cosmic Rewind

Guardians of the Galaxy: Cosmic Rewind is tied for the most expensive Disney World ride. It cost about $500 million to build this popular roller coaster attraction.
Star Wars: Rise of the Resistance

Star Wars: Rise of the Resistance also cost $500 million to build. This attraction is located in Star Wars: Galaxy’s Edge in Hollywood Studios parks. This ride is massive and very unique.
Test Track

Test Track reportedly cost $300 million to build. This is a fun car ride in EPCOT. It is very popular and is also the fastest ride at Disney World with a top speed of 65mph.
Avatar Flight of Passage

Avatar Flight of Passage is an Avatar themed ride in Pandora – World of Avatar at Animal Kingdom park. It cost about $250 million to build.
Tower of Terror

Tower of Terror cost about $150 million to build. It has a huge ride building in Hollywood Studios park. It is a very popular and intense ride.
Mickey and Minnie’s Runaway Railway

Mickey & Minnie’s Runaway Railway at Hollywood Studios cost $125 million to build. They used the ride building from The Great Movie Ride and changed it to this Mickey Mouse themed attraction. It is trackless and uses some really cool, modern technology.
Remy’s Ratatouille Adventure

Remy’s Ratatouille Adventure cost Disney $120 million to build. This fun, trackless ride is located in the France Pavilion in EPCOT. It is based on the Pixar movie Ratatouille.
Expedition Everest – Legend of the Forbidden Mountain

Expedition Everest – Legend of the Forbidden Mountain cost $100 million to build. This is a fast and thrilling roller coaster located in Animal Kingdom park.
Mission: SPACE

Mission: SPACE cost about $100 million to build. This is an attraction in EPCOT.
Tiana’s Bayou Adventure

Tiana’s Bayou Adventure is a newer ride in Magic Kingdom at Disney World. This ride was previously Splash Mountain. They changed it to The Princess and the Frog theme though, which cost them $71 million to do.
