The Tower of Terror II is a steel shuttle roller coaster located at the Dreamworld amusement park on the Gold Coast, Queensland, Australia. When the Tower of Terror opened on 23 January 1997, it was the first roller coaster in the world to reach speeds making it the tallest and fastest roller coaster in the world of its time. The ride is situated on the Dreamworld Tower which also houses the Giant Drop free fall ride. The ride was originally known as the Tower of Terror until it was modified and relaunched in September 2010.
The steel and concrete structure cost A$16 million to construct. The original ride featured a shorter, tunnel, a rigid lap bar using a hydraulic locking system and would carry 15 passengers at a time.
The relaunched ride takes 14 passengers. It propels passengers to just under with a maximum of 4.5Gs and 6.5 seconds of weightlessness. As of 2010, the ride is 4th in the tallest roller coaster rankings, 3rd in the tallest roller coaster drop rankings and 4th in the fastest roller coaster rankings.
The construction of the Tower of Terror required a mammoth effort by those involved. The ride features more than of steel, of concrete (which was delivered by 175 concrete trucks), of paint and over 16,000 bolts which hold the structure together. Total construction costs were estimated to be A$16 million.