The Soleimanieh palace (currently housing a college of Agriculture), the mausoleum of Shahzadeh Soleiman, Imamzadeh Rahman and Zeid Palang Abad-e-Eshtehard are other historical relics of the Karaj area.
Pir Mausoleum: The Pir mausoleum, alternatively known as Pir-e Takestan and Imamzadeh Pir, is a small domed Seljuk building dating from the 11th century and has since been restored.
The most important tourist attractions are: Mahyar caravanserai, Shah Reza caravanserai, the Shah Ghandab caves, located south-east of Shahreza, the Poodeh mosque, and Shahreza Imamzadeh.
Included amongst the significant antiquities of Varamin are the mausoleum of Imamzadeh Yahya built in the 14th century, and the Jameh Mosque of Varamin, from the era of the Ilkhanid Abu Saeed.