One of the most famous and spectacular places in Kashan is Fin Bath in Kashan Fin Garden. This old bath is famous for the murder of Mirza Taghikhan Amirkabir, the Prime Minister of Nasser al-Din Shah Qajar, on December 10, 1230 AH.

In the southern part of Bagh-e-Fin, there are two baths, which are known as small and large baths. The large bath during the Qajar period was built by Fath Ali Shah.

The large bath was for the rulers and the small bath was for the servants. In each of the bathrooms, there are parts including the entrance, the greenhouse, the fountain, the treasury, the cleaning place and the dressing room. There are canals to replace the water in the baths and ponds at the bottom of the baths. The walls of the bathrooms are covered with special moisture insulation - sand, lime or mortar. This bathroom has many corridors and corridors and has a beautiful architecture. This bath was registered in the World Heritage List in 2003.