This is an ancient palace and now a protected monument of the Department of Archeology. The largest mural painting of Kerala titled 1Gajendramokshams (Salvation of the King of Elephants) is depicted here. The period of the mural dates back to 18th century and it spreads over an area of 49 square metres. A typical Kerala palace noted for its architectural aesthetics, Krishnapuram Palace sports gabled roofs, narrow corridors, dormer windows, pent roofs and so on. The archaeological museum set up in the palace exhibits sculptures in stone, wood and bronze and preserves copies of mural paintings, coins, megalithic remains, stone inscriptions and such historically and archaeologically important objects.