The Helix roller coaster at Liseberg in Gothenburg, Sweden is one of the greatest rides ever built, featuring state-of-the-art engineering to rocket thrill seekers to speeds of over 60 miles per hour.

The Mack Superliner is a record-breaking monster truck that can haul huge loads across the dangerous dirt roads of the Australian Outback. Weighing up to 100 tons fully loaded with grain, the $300,000 Road Train type truck consists of three 30-foot-long trailers.