<Tr> <Td_colspan="2"> Wheelchair accessible </Td> </Tr> <Tr> <Td_colspan="2"> Expedition Everest at RCDB Pictures of Expedition Everest at RCDB </Td> </Tr> <P> Expedition Everest--Legend of the Forbidden Mountain is a steel roller coaster built by Vekoma at Disney's Animal Kingdom theme park at the Walt Disney World Resort in Lake Buena Vista, Florida . The ride is themed around the Yeti protecting the Forbidden Mountain next to Mount Everest . It is listed in the 2011 book of Guinness World Records as the most expensive roller coaster in the world . Including sets and extras, its total cost was reported to be US $100 million for six years of planning and construction . It is the tallest artificial mountain in all of the Walt Disney Parks and Disney's 18th mountain - themed attraction . </P> <P> The attraction was announced publicly on April 22, 2003, during an event to celebrate the fifth anniversary of Disney's Animal Kingdom . Its construction required three years and more than 38 miles of rebar, 5,000 tons of structural steel, and 10,000 tons of concrete . Expedition Everest opened for previews on January 26, 2006, and had its grand opening on April 7, 2006, in ceremonies led by Disney CEO Bob Iger and theme parks chairman Jay Rasulo . </P>

The most expensive roller coasters in the world