It's enough to give a monument an identity crisis. The Leaning Tower of Pisa is known worldwide for its precarious tilt - but now experts have revealed it's going straight. The tower's ...

Oh, the Leaning Tower of Pisa — so touristy and yet so fun. Each day, hordes of visitors come to the small northwestern Tuscan town of Pisa to take pictures "propping up" its tower. Some do it ...

Built on the shifting sands of a former estuary, the Leaning Tower of Pisa probably began tilting not long after medieval laborers laid its first foundation stones. In the 800 years since ...

As of June 1999, the Leaning Tower of Pisa leaned an inch less than it had at the beginning of the year. It may sound like a small step for the tower, but it's a giant leap for the Pisa Commission ...

Grady Hillhouse of Practical Engineering took a look at the history of the Leaning Tower of Pisa in Italy, noting how the 12th-century tower began leaning almost immediately. A couple of wars took ...

Have you ever wondered if the Leaning Tower of Pisa is a catastrophe waiting to happen? In this one-minute video, Ask Smithsonian host Eric Schulze explains how architects and engineers spent the ...