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 ...

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 ...

Thinking of Italy's Pisa instantly conjures the image of its leaning tower – the famous, centuries-old architectural marvel that has mesmerized onlookers and remains a tourist attraction today.

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 ...

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 ...