Former monastery church of the Trzewicz Carmelites, currently par. pw. st. Michael the Archangel. Built in the 15th century., from the foundation of Siemowit IV and his wife Aleksandra, rebuilt in the middle of. 17th century, gothic-baroque. Made of brick and partially plastered. Single-bay, with a separate presbytery. In the chapel of the North. late gothic sculpture "Christ on the Cross" from the 17th century. Tombstone of Col.. Charles Savara's Napoleonic troops, fallen in 1806 r. near Kołoząb on the Wkra River. This tombstone was made on the back of a Turkish marble fountain. W 1932 r. the slab was sawn and the tombstone was placed in its current place, and the fountain was converted into a tow truck and placed in the sacristy. on the south. sundial facade. In the area of ​​the church, on the west. monastery wing, plaque unveiled in 1996 r. with a cross, with the eagle and the emblem of Fighting Poland, commemorating those who fought for the liberation of their homeland in the years 1939-56, listing the main armed formations operating in the Płońsk region: IF, TAP, NZW, NES, BCh, WiN.

Roman Catholic cemetery: monument at the mass grave of soldiers killed in 1920 r., graves of soldiers who died in September 1939 r., graves of J. W. Jędrzejewicz and L.. Rutkowski, a monument at the common grave of those murdered by the Germans 16 January 1945 r.

Monument to Henryk Sienkiewicz, with the writer's torso (ul. Płock). On the pedestal the quote "I will keep my name, I will equal my fathers, and first I will break than I will bend ".

Monuments to Leon Rutkowski and J. W. Jędrzejewicz, in front of the municipal cultural center (ul. Płock).

Freedom Monument with a relief portrait of Józef Piłsudski, exhibited in 1933 r., destroyed in 1940 r., recreated in 1993 r. (ul. The corner of Płocka and Kolejowa).

Monument to 1959 r. in the form of a commemorative stone, dedicated to those who died in the fight for national liberation, in the park. Constitution 3 house.

The monument at the site of the Jewish cemetery at ul. Warszawska. Listed in 1983 r.

Monument to 1933 r. with a plaque dedicated to King Jan III Sobieski, on the occasion 250 anniversary of the victory at Vienna (ul. Płocka in the courtyard of post-monastery buildings). Monument to scouts, in the shape of a hand in a gesture of "to swear", devastated, the plaque has been stolen (ul. The corner of Płocka and Kolejowa).

The plaque is placed on the house in the square 15 August no 21 A, commemorating Dawid Ben Gurion from Płońsk (1886-1973), living here for the first time 21 years of his life. W 1907 r. emigrated from Poland. From 1920 r. he was a member of the general council of the World Zionist Organization, and in years 1935-48 chairman of the Jewish Agency executive. In years 1948-53 and 1955-63 he was the prime minister of Israel and, at the same time, the minister of national defense of that country.

The plaque on the house at ul. Grunwaldzka 22 in honor of living here in the years 1875-77 J. W. Jędrzejewicz. His observatory was moved to 1899 r. to Warsaw. Then, after the liquidation, the individual instruments were sent to the observatories in Warsaw, Poznań and Vilnius. Only one telescope, probably belonging to Jędrzejewicz, has survived to this day and is kept at the observatory in Poznań.

Table with 1979 r. at the Primary School at ul. Freedom 4 dedicated to its patron, King Bolesław the Brave, with his relief portrait.