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, a bevy ...

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 ...

Standing in a large green expanse, Piazza del Duomo houses a group of monuments known the world over. These four masterpieces of medieval architecture - the cathedral, the baptistry, the campanile ...

The UK is home to many famous landmarks, but few are as iconic as its world-famous clock tower. While it may seem perfectly upright, experts have discovered that it has a slight tilt - one that ...

On the Atlantic coast of southwestern France, Dune du Pilat is a breathtaking natural wonder. Rising to an incredible 360 feet, it is Europe's tallest sand dune, dwarfing even the famous Leaning ...

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