Museum at the train station, consisting of a collection of old rolling stock and a museum room.

Urban layout with a large market square, with the town hall and parish church in the center., which is rare. Art Nouveau tenement houses around the market square. On the building with the bookshop there is a plaque dedicated to Zuzanna Morawska who lives here (1848-1922) – pisarce, author of historical books for children and teenagers (m.in. "Wolf's Nest", "Witek from Kleparz", "On the ruins of the Order"). Town Hall with 1789 r., erected on the foundations of the building with 1544 r., burnt in 1776 r. Wieża z zegarem dobudowana w 1848 r. Brick and plastered, baroque, storey. After the destruction of World War II, it has retained its original appearance only from the east.

Parish Church of. Holy Trinity from the 15th century., rebuilt significantly in 2 half. XIX w., perhaps built on the foundations of the 11th-century church of. st. Lawrence, brick and plastered, neo-baroque. Three-nave in the basilica layout. Two-tower facade. Table with 1917 r. with a bust of Tadeusz Kościuszko and a plaque commemorating the 200th anniversary of the Constitution 3 house. The interior is devoid of antique equipment. Parish Church. pw. Transfiguration of the Lord, neo-baroque, brick, with a two-tower facade, built at the beginning. XX w. Three-nave interior. In the side altars there is a baroque crucifix and an image of the Virgin Mary with Child decorated with a dress. (from the turn of the 17th and 18th centuries).

Wooden granary "Lelewelówka" from the 18th century. (ul. Warsaw 44). For some time it was probably owned by the Lelewels. Currently the seat of the local branch of PTTK. The building was initially used as a granary. At the end of the 19th century. was a dwelling house. It has an interesting mansard roof. It was partially destroyed by a fire in 1977, and then rebuilt. High School for them. Stanisław Wyspiański. Inside, a plaque commemorating Bronisław Klicki – the founder of the school, Antonina Mrozowska – founder of a girls' gymnasium in Mława, and fallen educators and pupils. On the school a blackboard with 1991 r. commemorating the students, who disarmed the Germans 11 November 1918 r. In front of the school there is a monument with a bust of Stanisław Wyspiański.

Mound with 1963 r. with two crosses and a blackboard (ul. The corner of Sienkiewicza in the January Uprising), commemorating the insurgents 1863 r. Monument to St. Wojciech, unveiled in 1997 r. (in the market), made according to project. J. Fluke.

Monument-mausoleum in Kalkówka, unveiled in 1967 r., built according to the design. Barbara and Andrzej Wochnów, in the place of the gravel pit, where the Nazis shot 17-18 January 1945 r., on the eve of liberation from German occupation, 364 Poles. An inscription on the monument: "The homeland is land and graves. Nations lose their lives by losing their memories. "

Roman Catholic cemetery (ul. 18 Stycznia corner of ul. Nowowiejska): baroque cemetery chapel. st. Lawrence built in 1786 r. (in place of an earlier wooden church), mass grave 82 Polish soldiers from 49 pp. those who died in 1920 r., graves 54 Polish soldiers killed in September 1939 r., grave 4 teachers – Home Army soldiers hanged by the Nazis in the market square 17 of December 1942 r. (a plaque dedicated to their memory is located at ul. Bolesław I the Brave).

There is a grave at the cemetery in Wólka 30 Polish soldiers killed in September 1939 r. and the grave 11 BCh soldiers from the group shot by the Germans 17-18 January 1945 r. on Kalkówka.

Jewish cemetery (ul. Warsaw). Neglected, preserved fragments of tombstones.

The plaque at ul. Grzebska at the place of v 1942 r. execution by hanging 68 Jews, unveiled in 1946 r.