Which London landmark did Claude Monet paint as a repeated series?

Claude Monet painted the Houses of Parliament as a repeated series.

Monet worked on his London views during visits to the city between 1899 and 1901. He painted the Houses of Parliament from the opposite bank of the River Thames, concentrating on the building’s silhouette as it appeared through fog, haze, smoke, and changing light.

The series contains more than 90 paintings. Monet often pursued a motif in groups so that he could compare the effects of different times of day and atmospheric conditions. The architectural subject therefore became a study of perception rather than a straightforward record of a building.

These works are distinct from Monet’s London paintings of Charing Cross Bridge and Waterloo Bridge, which form related but separate series. The landmark is also officially called the Palace of Westminster, although “Houses of Parliament” is the standard title used for Monet’s group.