The Collegiate Church of Santa Maria Assunta is a Catholic collegiate church famous for its frescoes by Domenico Ghirlandaio, Benozzo Gozzoli, Taddeo di Bartolo, Lippo Memmi and Bartolo di Fredi. The basilica is part of the UNESCO World Heritage Site "Historic Centre of San Gimignano".
Torri dei Salvucci are twin towers on the Cathedral Square.

The towers belonged to the influential Salvucci family, which had great influence, and proof of this is the fact that it built not one tower, but two.
One of the towers is now the only residential one of the 14 surviving buildings of this type in San Gimignano. The tower has
10 floors, and its height is 48 meters.

Torre Chigi, although not very high, is one of the most beautiful in the city, has an unusual color scheme - light bottom, red top. It was built in 1280 and belonged to the Useppi and Chigi families.

Torre Rognosa, also known as the Clock Tower, is one of the tallest and best-preserved medieval towers in San Gimignano.
The tower was built around 1200 and belonged to the Gregorio and Oti families. The tower is 51 m high, making it the second tallest in the city after the Great Tower (54 m).