Turkmenistan hands out five-day transit visas grudgingly and unpredictably, and that pressure is exactly what makes crossing it feel like a heist. You apply weeks ahead (we did ours in Tehran; Dubai and Tbilisi also work), you name your entry and exit borders, and once you are in, the clock is running. Most backpackers thread the classic line: enter from Iran near Ashgabat, sleep beside a burning crater in the Karakum, and exit north into Uzbekistan. Budget around 60-80 USD a day — this is not a cheap country, but it is a short one.
Ashgabat, the marble mirage
Nothing prepares you for the capital. White marble towers line eight-lane boulevards with almost no cars on them; gold statues rotate to face the sun; fountains run all day at the edge of a desert. Photograph discreetly — police will wave you off government buildings, always politely. Do three things: the Tolkuchka-descended Altyn Asyr bazaar on the city edge, where carpet sellers unroll deep-red Tekke rugs across car bonnets; the surreally empty monuments district at dusk when the whole city lights up like a casino; and a proper meal of manty and green tea in a Russian-era canteen for a couple of dollars. Hotels must be licensed for foreigners — expect 30-50 USD, your one fixed cost.
Into the Karakum to Darvaza
The reason everyone comes. About 270 km north of Ashgabat, a Soviet drilling accident in 1971 left a collapsed gas field that engineers set alight expecting it to burn out in weeks. Fifty-odd years later the Darvaza crater is still roaring — a 70-metre-wide bowl of flame in absolutely empty desert. Shared 4x4s can be arranged through Ashgabat guesthouses for around 60-90 USD per person including tents and dinner; marshrutkas up the Dashoguz highway will also drop you at the chaikhana near the turnoff, leaving a 7 km walk over the dunes if you are stubborn and carrying water.
Arrive before sunset so you see the transition: in daylight it is a hole with a shimmer, and then the dark comes up and the desert for a kilometre around glows orange and breathes heat at you. The roar is constant, like a jet held at idle. Camp upwind, well back — the rim is genuinely unstable in places and there are no barriers, no wardens, nothing but you and a burning hole in the earth under a ridiculous number of stars.
North to Konye-Urgench
The drive to Dashoguz is another four to five hours of Karakum nothing, punctuated by camels and the occasional gas flare. Konye-Urgench, near the Uzbek border, was once one of the great cities of the Islamic world before Genghis Khan and then Timur flattened it. What survives is scattered across quiet fields: the Kutlug Timur minaret leaning 60 metres over the plain, the turquoise cone of the Turabek Khanum mausoleum, pilgrims circling tombs that predate almost everything in Khiva. Entry is a few dollars and you may share the whole site with a wedding party and some goats.
The border and the clock
Exit at Konye-Urgench/Khodjeyli for Nukus, or via Dashoguz for Khiva — Khiva is barely two hours beyond the border, which makes this route flow perfectly into an Uzbekistan trip. Border formalities are slow, thorough and strangely friendly; have your migration slip, hotel registration receipts and patience ready.
Practicalities
Visa refusals happen with no reason given, so have a Caspian ferry or Uzbek-first backup plan. Bring crisp US dollars; the official exchange rate and reality have a complicated relationship, and cards are useless outside big hotels. There is effectively no internet you would recognise as internet — download maps offline. Spring (April-May) and autumn (September-October) are the sane seasons; July in the Karakum tops 45 degrees. Five days sounds tight, and it is, but that is the point: few places this strange can be crossed at all, and fewer still leave you standing alone at 2am watching the earth burn.