The city of Venice, Italy, is not actually under the water, but on the water instead. Most of the buildings are erected on wooden piles that are very closely spaced and many of the piles are made from trunks of alder trees, a type of tree that is known for its resistance to decay when submerged by water. The city is comprised of 118 individual islands, 177 canals and 416 bridges. Since it is so close to sea level and floods easily, it has been easier for the people of Venice to create waterways for transportation than to build roads. The largest canal is the Grand Canal, being 3.8 km (2.36 miles) long, and 30 to 90 m (100 to 300 feet) wide, with an average depth of five meters (16.5 ft). According to Veneto-Explorer, more than 18 million (!!!) tourists visit the city each year. There are over 350 gondolas, hundreds of water buses and private water taxis navigating the canal system every day, which forms one of the major water-traffic corridors in the city. #TravelTip: The official rates to ride a gondola in Venice are €80 ($85) for up to 6 people for a 40 minutes, additional 20 minute will cost you €40 ($43). After 7pm, the price rises to €100 ($106) for 40 minutes and €50 ($53) each additional 20 minutes. If you read until here tag few friends you would like to bring on this adventure.