The "Villa Reale" is composed of neoclassic style buildings; it was built in 1777-80 thanks to the archduke Ferdinand of Austria from the project of Giovanni Piermarini.

Today it hosts the Civic gallery of art and the historical Museum with cloths of the XVII century and works of the XIX century.

Located right behind the Villa Reale, the Park of Monza claims to be the biggest in Europe. It covers an area of 800 hectares, surrounded by a wall of 12 Kms. in length.

It was created in 1806 and later enlarged, originally starting as the park belonging to the "Villa Reale" and then becoming a much larger area which includes, apart from the "Villa Reale", the famous racing circuit (the Formula 1 track fits easily in it and can only be reached after walking for an hour or so), the horse racing course of Mirabello, two golf courses, a polo field and a swimming pool.

Arengario is the broletto of Monza, a medieval palace which used to serve for meetings of the city council or nobles, while its arcaded groundfloor occasionaly served as open court of law.

Monza is famous for its Romanesque-Gothic Duomo of Saint John. There Theodelinda's centrally-planned Greek-cross oraculum ("chapel of prayer") of ca 595 (its foundations remaining under the crossing of nave and transept) was enlarged at the close of the 13th century by enclosing the former atrium within the building. The fine black and-white marble arcaded facade was erected in the mid-14th century by Matteo da Campione. The campanile was erected in 1606 to designs by Pellegrino Tibaldi.

In the frescoed Chapel of Theodelinda is the Iron Crown of Lombardy, supposed to contain one of the nails used at the Crucifixion. The treasury also contains the crown, fan and gold comb of Theodelinda, and, as well as Gothic crosses and reliquaries, a golden hen and seven chickens, representing Lombardy and her seven provinces.

Though the interior has suffered changes, there is a fine relief by Matteo da Campione representing a royal Lombard coronation, and some 15th-century frescoes with scenes from the life of Theodelinda.