The city known for the famous Leaning Tower is Pisa, located in Italy. The Leaning Tower of Pisa is actually the freestanding bell tower of the cathedral in Pisa and is renowned for its unintended tilt, which began during construction in the 12th century due to unstable foundation soil. Despite its precarious angle, the tower remains a popular tourist attraction and is part of the Piazza dei Miracoli, a UNESCO World Heritage site showcasing stunning medieval architecture.