Is this the worlds most spacious caravan related - YouTube Video for Is this the worlds most spacious caravan related▻ 1:41▻ 1:41 The Concept Van measures just 30ft by 13ft, but the.br br Top 5 Most Expensive MotorhomesRV In the World 2013. Thanks For Watching. Please Subscribe, Like, Share and Comment. Source: Owning a .br br The worlds most expensive motorhome has gone on sale in Dubai - covered in gold and worth a cool £2 million. The space-age eleMMent Palazzo comes complete with a colossal master bedroom,.