Cathedral of Pisa and its bell tower in Pisa, Italy (© Jean-Pierre Lescourret/Corbis)

【September 21 2014】When perspective is changed, even well-known landmarks can be unrecognizable -- or become props in the service of a silly photo. The Tower of Pisa is worth photographing from any angle. But who knows when the first forced-perspective I'm-holding-up-the-Tower-of-Pisa photo was taken? The point is, people continue to do it. But when tourists raise their arms to hold up the tower, locals sometimes photo-bomb them by sneaking up and giving them a high-five.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..