The Krishnapuram Palace is a rare specimen of the Kerala style of architecture - complete with gabled roofs, narrow corridors and dormer windows. The palace museum has rare antique bronze sculptures, coins, stone inscription, wood sculpture, king's sword and paintings. This two storied palace has a pond, high boundary walls and has an area of 103 are. The palace garden has a 10th century Buddha statue.

The palace museum is located 3 km from Kayamkulam KSRTC bus stand/ 50 km from Alappuzha/40 km from Kollam. The museum is closed on Mondays and other National Holidays. Timings : 10 am to 5 pm. Entry Rs 10, Camera Rs 25, Video Rs 250.

Gajendra Moksham - 49 sq.m - Largest single mural painting in Kerala. Literally, the salvation ( Moksha) of the elephant king ( Gajendra), the theme of the mural is mythological and depicts an elephant saluting Lord Vishnu in devotion while the other gods, goddesses and saints look on. It is said that Lord Vishnu was the family deity of the Kayamkulam rajas. This mural was placed at the entrance to the palace from the pond to enable the rajas to worship the deity after their bath.