Munich Looping is a 900-ton roller coaster which can be put together in two weeks. It has five loop-the-loops as part of its 4,101 feet track. These hoops generate G-forces of up to 5.2G, which is ...

Cars of a roller coaster ride against a blue sky at the Oktoberfest. A worker has been killed during a test ride on a rollercoaster at Germany's Oktoberfest on Monday. Felix Hörhager/dpa The start of ...