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JW Mariott Hotel; Shanghai, China; 2004. The library on the 60th floor of the JW Marriott Hotel at Tomorrow Square in Shanghai, China, is si...

Macau Tower Sky Jump; Macau, Macau; August 17, 2005. The highest commercial decelerator descent facility is Sky Jump at Macau Tower Conventi...

Grande Dixence; River Dixence, Switzerland; 1961. Grande Dixence, on the river Dixence in Switzerland, is the highest concrete dam in the wo...

Heinz Piorkowski; Wakayama-Ken, Japan; April 23, 1999. The world's deepest underwater postbox is located 10 metres (32.8 ft.) beneath th...

Troll; Off Norway, North Sea; 1996. The Troll Offshore Gas Platform, located off Norway in the North Sea, is the heaviest man made mobile ob...