Shaktan Thampuran Palace, earlier known as Vadakkechira Kovilakam, is the palace of Appan Thampuram Smarakam, the architect of the city of Thrissur. The palace which belonged to the Kochi dynasty was reconstructed in 1795 by Sakthan Thampuran in the present Kerala-Dutch style.
The palace was converted to the capacity of a museum in 2005. The museum displays some of the relics from the times of the ruler and even some of the evidences of visits to the palace by rulers such as Tipu Sultan. Galleries include artifacts in bronze, granite sculptures, collection of ancient coins (Numismatics), and documents relating the times of the Kochi Dynasty. Also, outside the palace is a Heritage garden, maintained to preserve certain unique plants, trees of Kerala.