STOCKSHOTS: Not-so-Leaning Tower of Pisa as landmark straightens The Leaning Tower of Pisa is now stable and has even straightened slightly thanks to engineering work to save the world-renowned tourist attraction. The tower's Surveillance Group -- set up to monitor restoration progress -- said in a statement that after 17 years of observation "the Tower of Pisa is stable and very slowly reducing its lean." STOCKSHOTS of the Tower of Pisa