On August 9, workers lay the foundation stones for what will become the Leaning Tower of Pisa. Constructed of marble, lime, and stones, the tower is built in a circular ditch about five feet deep ...

From the daily newsletter: reporting on a luxury-condo fiasco. Plus: John Cassidy on tariffs and trade wars; the ...

Did you know the Leaning Tower of Pisa started in August 1173? It has made it through at least four big earthquakes. The tower was meant to be a grand bell tower. But it began to lean just five ...

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 ...

A young Galileo is perched atop the Leaning Tower of Pisa. He is in the middle of his famous experiment—the one in which he shows, by dropping cannonballs of different weights, that all objects ...

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 ...

1 Seaport was six hundred and seventy feet tall, and leaning. For as long as humans have made towers, some have leaned. The Tower of Pisa started settling unevenly on its shallow foundation not ...

The Leaning Tower of Pisa is recognized globally for its unique structure. We aren't used to seeing towers that look like they're falling over nor do we usually think to climb them. Despite its ...

When we talk about buildings that tilt captivatingly, you might immediately think of the Leaning Tower of Pisa in Italy. But there are lots of buildings that slope, some quite alarmingly ...

Navigate backward to interact with the calendar and select a date. Press the question mark key to get the keyboard shortcuts for changing dates. The Leaning Tower of Pisa $25 $500+ ...