Khorshid (Sun) Palace, Toos, Mashad
The Khorshid Palace is from the time of Nader Shah Afshar and had most probably been constructed so as to house the royal family. The façade of this palace is cylindrical, built of black marble. At present this palace stands 20 m. in height and contains 12 rooms decorated with paintings and ornamental works such as plaster moldings. In the center of this palace there is a tower enhanced with fire architectural design. This palace was built in the second half of the 12th century AH.