Impossible Engineering S03E11 - World's Tallest Roller Coaster

Kingda Ka at Six Flags Great Adventure in Jackson, New Jersey is the tallest roller coaster in the world and fastest in the U.S., redefining the design of all thrill rides. A catapult accelerates it to 128 mph in 3.5 seconds and a height of 456 feet with a 90-degree vertical track. This engineering colossus is one of the most innovative on the planet and features Zumanjaro: Drop of Doom, the fastest and tallest drop ride ever built at 90 mph from 415 feet. It opened to the public on May 21, 2005.