Of the 600 soldiers to be drafted to the frontlines in WWI, 173 never returned, they had lost their lives in Galicia, the Serbian and Romanian fronts and the battle of Doberdo-Piave. The municipality built a memorial in 1930 to honor their fallen heroes. The imposing bronze statue by Ottó Kalotai Kreipel titled Őrszem (Sentinel) was dedicated on June 1, 1930.

One of Hungary’s most significant monuments stands on the main square of Lébény, the Romanesque Saint James Church built in the 13th century. The walls of carved ashlar are imposing, only to be emphasized by the two gates and their beautiful 13th-century ornamental motifs.

A record from 1780 already mentions that the map of the municipality indicated the statue of Saint Florian on the old main square of the town beside where the former Saint Margaret Church and the parish once stood. Its base bears the date 1926, the year when it was moved from the main square to its current place, the square in front of the Church of Saint James. The statue depicting the patron of the drowned and those threatened by flood and fire is made of two main parts dating back to different times. The three-meter tall limestone column was already standing on the municipality's main square in 1780. the likeness of Saint Florian was carved in 1926 when the statue was moved. The memorial was restored by György Turi in the summer of 2008.