Baptistery

"The interior houses a fine octagonal font sculpted in 1246 by Guido Bigarelli, as well as an admirable pulpit sculpted in 1260 by Nicola Pisano." Full review

"Italy’s largest baptistery (104m/341 ft. in circumference), begun in 1153 and capped with a Gothic dome in the 1300s, is built on the same unstable soil as the Leaning Tower." Full review