Dushanbe

Ibn Sina's Germ Theory of Disease 1,000 Years Before Pasteur, Marco Polo Sheep Horns Reaching 190cm (the Largest of Any Sheep Species) & Tajik and Iranian Persian 90% Mutually Intelligible Despite Different Scripts
Ibn Sina's germ theory of disease and quarantine concept (40-day isolation — the origin of the word quarantine from Arabic) 1,000 years before Pasteur; Marco Polo sheep horns reaching 190cm (the largest of any sheep species in the world) named for Marco Polo's 1271 Pamir description; Tajik and Iranian Persian 90%+ mutually intelligible despite being written in Cyrillic vs Arabic-Persian scripts; the Navruz haft-sin table setting with seven S-items tracing back to Zoroastrian Avestan tradition 3,000 years old; Temur Malik's river-boat defense of Khujand against Genghis Khan (1220 CE); and Alexander the Great founding Alexandria Eschate at Khujand in 329 BCE as the furthest outpost of Hellenic civilization.

The Sogdian Penjikent Wall Paintings Showing Rustam Scenes 1,200 Years Before Ferdowsi's Shahnameh, Samanid Patronage Simultaneously Producing Rudaki and Ibn Sina & the Pamir Highway Ak-Baital Pass at 4,655m
The Sogdian Penjikent frescoes (5th–8th century CE) depicting scenes later immortalized in Ferdowsi's Shahnameh; the Samanid court in Bukhara simultaneously patronizing Rudaki (Father of Persian Poetry) and Ibn Sina (Avicenna); the 1992–1997 Civil War killing 100,000 and displacing 1.2 million in a nation of 5.3 million; the qurutob (flatbread soaked in dissolved kurut sour milk) as the most ancient surviving Tajik peasant dish; the Pamir Ak-Baital Pass at 4,655m as the highest paved road in the former Soviet Union; and Lake Sarez formed in 1911 by an earthquake-triggered landslide damming the Murgab River.

The Aral Sea Shrinking 88% (from 68,000 km² to 8,000 km²) Due to Amu Darya Diversion, Ismoil Somoni Peak the Highest Point in the Former Soviet Union at 7,495m & Tajikistan the Poorest Former Soviet Republic at USD 1,200 GDP Per Capita
The Aral Sea shrinking 88% from 68,000 km² to 8,000 km² due to Amu Darya and Syr Darya diversion for irrigation since the 1960s; Ismoil Somoni Peak (7,495m) requiring a USD 3,000–5,000 helicopter flight to base camp; Tajikistan the poorest former Soviet republic at USD 1,200 GDP per capita relying on Russia remittances for 30–35% of GDP; TALCO aluminum smelter consuming 40% of Tajikistan's total electricity production; Alexander the Great crossing the Oxus on inflated animal skins in 329 BCE; and the CASA-1000 power line planned to export Rogun electricity to Afghanistan and Pakistan post-2032.

Ferdowsi's Shahnameh at 60,000 Couplets the Longest Single-Authored Epic in World Literature, Tajikistan's 150+ Apricot Varieties vs the 3-5 Commercial Varieties Globally & Penjikent Directly Route via Uzbekistan Requires a Transit Visa
Ferdowsi's Shahnameh (60,000 couplets, 50+ years to compose) as the longest single-authored epic poem in world literature; Tajikistan's 150+ named traditional apricot varieties versus the 3–5 varieties dominant in global commercial production; the Soviet 1924 National Delimitation assigning Samarkand and Bukhara (with Tajik-Persian speaking majorities) to the Uzbek SSR rather than the Tajik SSR; the Aga Khan Development Network operating 13 hospitals, 60 health posts, and 73 schools in GBAO since 1993; the Penjikent route via Uzbekistan requiring an Uzbek transit visa or the 4,000m Anzob Tunnel; and the 5-day itinerary connecting Dushanbe, Hissar, Varzob Canyon, Penjikent, and Khujand.

The Sogdian 4th-Century Merchant Letters the Earliest Documentary Evidence of Long-Distance Private Commerce, the Rogun Dam at 335m Would Beat the Jinping-I by 30m & Pamiri Languages Descended from Scythian Not Persian
The Sogdian merchant letters found in Dunhuang (4th century CE describing grain prices in Samarkand) as the earliest documentary evidence of long-distance private commerce in history; the Rogun Dam at 335m planned to surpass the Jinping-I Dam by 30m as the world's tallest; Emomali Rahmon ruling continuously since 1992 as the world's longest-serving non-royal head of state outside Cuba and Uganda; Pamiri languages being East Iranian (related to Scythian and Ossetic) rather than West Iranian like Tajik; the Ismaili identity of the Pamiris making them the only large Ismaili community in the former Soviet Union; and the Chor Taqi traditional Pamiri house with its four columns representing Zoroastrian cosmological elements.

The Dushanbe 165m Flagpole Briefly World's Tallest in 2011, Rudaki the 9th-Century Father of Persian Poetry & the Nurek Dam World's Tallest from 1972 to 2018
Rudaki Avenue's 165m flagpole (briefly the world's tallest in 2011 before Jeddah's 171m flagpole); Abu Abdollah Rudaki (858–941 CE) founding New Persian literature as court poet in Bukhara; Tajik as the only Persian-speaking nation in Central Asia surrounded by Turkic-speaking neighbors; the Pamir Highway M41 crossing the Ak-Baital Pass at 4,655m (highest paved road in the former Soviet Union); the Nurek Dam (300m) as the world's tallest dam from 1972 to 2018; and the Sogdian Penjikent frescoes (5th–8th century) as the primary surviving pre-Islamic Central Asian paintings.