Ten arc seconds are added to the tilt after boring both into the masonry foundations and accidentally into the soil beneath them. With the tower continuing to tilt naturally at the rate of a ...

When we started planning our family trip to the central Italy region of Tuscany with kids, I pictured rolling hills dotted with vineyards and olive groves, and medieval towns with cobblestone streets.

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 ...

When you think of Pisa, Italy, it's a pretty good bet that the Leaning Tower springs to mind. The tower started leaning a few years after construction began in the 12th century, and the number of ...