The Pamir Mountains are a mountain range in Central Asia formed by the junction of the Himalayas with Tian Shan, Karakoram, Kunlun, and Hindu Kush ranges. They are among the world’s highest mountains, and since Victorian times, they have been known as the "Roof of the World" presumably a translation from Persian

Fann Mountains (also known as the Fanns) are part of the western Pamir-Alay mountain system and are located in Tajikistan's Sughd Province between the Zarafshan Range to the north and the Gissar Range to the south, The Fanns boast about a hundred peaks, with several rising to altitudes of more than 5000 meters and relative elevations of up to 1500 meters. The highest point in Fann Mountains is Chimtarga peak, There are many lakes in the Fanns. The best known are Alaudin lakes in the Chapdara River valley, Kulikalon Lakes on the northern slope of Chimtarga peak, Allo Lake, and the most outstanding of all, Iskanderkul Lake.

Iskanderkul is a mountain lake of glacial origin in Tajikistan's Sughd Province. It lies at an altitude of 2,195 metres (7,201 ft) on the northern slopes of the Gissar Range in the Fann Mountains.It was formed by the congestion of the Saratogh river. It is 134 km from Dushanbe and 23 km from the Dushanbe—Khujand road, The lake takes its name from Alexander the Great: Iskander is the Persian pronunciation of Alexander, and kul is lake in Tajik, which is of Turkic origin.A 300 square kilometres (120 sq mi) tract of land including the lake and surrounding mountains has been designated a nature reserve

Sarez Lake is a lake in Rushon District of Gorno-Badakhshan province, Tajikistan. Length about 55.8 km, depth few hundred meters, water surface elevation about 3,263 m over sea level and volume of water is more than 16 km³. The mountains around come up more than 2,416 m over the lake level.

Muztagh Ata, or Muztagata "ice-mountain-father"; is the second highest (7509 metres)of the mountains which form the northern edge of the Tibetan Plateau, The mountain is located in an interesting part of the world, close to the old Silk Road and the beauty of nature is stunning.
The main reason is probably Muztagh Ata's reputation being the easiest 7000m peak

The Nurek Dam is an earth fill embankment dam on the Vakhsh River in the central Asian nation of Tajikistan. Construction of the dam began in 1961 and was completed in 1980, when Tajikistan was still a republic within the Soviet Union, Nurek Dam,  one of the world’s highest dams. The dam is 2,309 feet (704 m) wide at its crest. The nine-unit power plant associated with the dam has a design capacity of 2,700 megawatts of electricity, and the water impounded is used to irrigate some 1,600,000 acres (650,000 hectares) of farmland.