What is it?

Yemen is Arabia's great lost chapter — a land of gingerbread skyscrapers, frankincense trails and an island so strange it looks borrowed from another planet. In the old city of Sana'a, believed by locals to have been founded by Shem, son of Noah, tower houses of rammed earth and burnt brick rise eight storeys high, their façades iced with white gypsum and pierced by qamariya windows of stained alabaster that glow like lanterns at dusk. South-east, in the Hadhramaut desert, the mud-brick towers of Shibam earned the nickname 'the Manhattan of the Desert' from explorer Freya Stark — a 16th-century high-rise city built entirely of earth. Off the mainland, the island of Socotra floats in the Arabian Sea with dragon's blood trees splayed like open umbrellas, bottle trees swelling from bare rock, and turquoise lagoons behind wind-sculpted white dunes; a third of its plant life exists nowhere else on Earth. The soundtrack is the call to prayer echoing between stone minarets, the clatter of the souq, the murmur of men chewing qat in afternoon shade — and the taste is honeyed dates, smoky saltah stew, and the coffee that took its name from the port of Mokha.

Where is it?

Yemen occupies the southern tip of the Arabian Peninsula, bordering Saudi Arabia and Oman, with the island of Socotra lying some 350 km off the Horn of Africa. The headline sights are UNESCO-listed Old Sana'a, the mud tower cities of Shibam and Wadi Dawan in Hadhramaut, the historic port of Aden, walled Zabid on the Tihama plain, and above all Socotra's Dixam Plateau, Detwah Lagoon and Arher dunes. Socotra is realistically visited between October and April — the summer monsoon (June–September) brings ferocious winds and suspends flights — while the mainland highlands are pleasantly mild year-round, with the coast brutally hot from May to September.

What makes it worth it?

Few places on Earth still deliver the sensation of genuine discovery, and Yemen does it in the first ten minutes. Travellers routinely describe Socotra as 'the closest thing to walking on another planet' — camping under a sky thick with stars while dragon's blood trees stand silhouetted on the ridgeline is the kind of memory that reorders your sense of what the world contains. On the mainland, visitors speak less about the architecture than the people: a country enduring one of the modern era's harshest humanitarian crises, where strangers still insist you share their lunch, and where hospitality is not a service industry but a point of honour. 'I arrived braced for a war zone and left having been treated like family' is the sentiment repeated again and again by the small number who make it. Years later you'll remember the smell of woodsmoke in a Hadhrami village at dawn, the geometry of alabaster windows lit from within, and the humbling realisation that a place reduced to headlines contains an entire civilisation of poetry, coffee and stone.

How accessible is it?

This is one of the hardest countries on Earth to visit, and honesty matters: Yemen has been at war since 2014, most governments advise against all travel, and standard travel insurance is void — specialist high-risk policies are essential. Socotra is by far the most feasible option, reached on charter flights from Abu Dhabi (roughly weekly, around US$800–1,000 return) or occasionally Cairo, with visas arranged by your tour operator; expect US$1,500–3,000 for a 7–8 day camping-based trip including permits, guides, 4x4s and food. The island has no hotels of note outside Hadibo, so you'll sleep in tents on beaches and plateaus, with basic facilities, cold-water bucket washes and patchy phone signal — moderate fitness is enough, but flexibility is mandatory as flights are frequently delayed or cancelled. Mainland travel to Sana'a, Shibam and Aden is possible only through a handful of specialist fixers who arrange visas, permits, checkpoints and armed escorts, typically costing US$3,000–7,000 for 8–12 days, and routes change at short notice depending on frontline conditions. Fewer than a few thousand foreign tourists reach Yemen in a typical year; book 3–6 months ahead, travel modestly dressed, carry US dollars in cash (no working international ATMs or cards), and choose operators who employ and pay local communities fairly.