Biggest card house in the world

World's Tallest House of Cards

Bryan Berg (born 1975) is a professional "cardstacker" Born in Iowa, Berg now lives with his wife in Santa Fe, New Mexico who builds houses of cards on a very large scale. Berg broke his own record by building a replica of the Venetian Macau resort hotel. He completed it in 44 days, using 218,792 cards (more than 4000 decks). The structure measured 10.5 meters (34 feet) long, three meters (10 feet) tall and weighed more than 272 kilograms (600 pounds).

Source;- wikipedia.org