Takht -e- Rostam (Rostam’s Throne) is a volcanic rock cliff and the ruins of a Sassanid era (224-651 CE) Zoroastrian fire temple located 80 km southwest of Tehran near Shahryar county.
Sorkheh Hesar National Park lies with an area of 9,380 hectares (23,200 acres) and stands at an altitude of 1,547 metres (5,075 ft) above sea-level, near Tehran, Iran.
The National Museum of Iran is located in Tehran, Iran and it is combination of two buildings which include the Museum of Ancient Iran and the white travertine Museum of the Islamic Era.
The herbarium of Iranian plants (TARI) is gradually being built up and now consists of some 160000 numbers. Also there are gardens of non-Iranian plants, including as Himalayan, American, Japanese, African, and Australian species.
Khojir and Sorkheh hesar national park with an area of 9380 hectares stand at an attitude of 1547 m. above sea-level, besides Tehran city.
Wall of Rey is a 6,000-year-old structure, which dates back to the Median era (678 -549 BC). Only three kilometers of this defensive wall, which encircled the entire city during the Parthian era (247 BC–224 AD), remains today.