The Leaning Tower of Pisa is a freestanding bell tower located in the Italian city of Pisa. Built in the 12th century, the tower is renowned for its iconic tilt, caused by an unstable foundation. Standing at 56.7 meters tall, the tower has become a
From Wikipedia
The Leaning Tower of Pisa, or simply the Tower of Pisa, is the campanile, or freestanding bell tower, of Pisa Cathedral. It is known for its nearly four-degree lean, the result of an unstable foundation. The tower is one of three structures in Pisa's Cathedral Square, which includes the cathedral and Pisa Baptistry. Over time, the flawed tower has become one of the most visited tourist attractions in the world as well as an architectural icon of Italy, receiving over 5 million visitors each year.